{
  "id": "AIBD-0187",
  "title": "Medicare withholds $4.41 billion in suspected fraudulent payments",
  "summary": "Federal analysts flagged unusual billing, and HHS-OIG and CMS held $4.41 billion in escrow during Operation Gold Rush.",
  "date_observed": "2025-06-30",
  "date_basis": "source publication",
  "date_precision": "day",
  "benefit_status": "reported",
  "source_collection": null,
  "source_entry": null,
  "account": "DOJ reported that analysts detected unusual billing in Operation Gold Rush. HHS-OIG and CMS held $4.41 billion in escrow from about $4.45 billion scheduled for payment. Medicare paid about $41 million, and supplemental insurers paid about $900 million. DOJ stated that HHS and CMS intended to seek the return of the escrow to the Medicare trust fund. The announcement also proposed an AI-enabled Data Fusion Center. It does not establish that AI was used in the Gold Rush detection.",
  "category": "harm prevented",
  "unexpected": false,
  "purpose": "Detect, investigate and prosecute complex health care fraud schemes.",
  "system": "DOJ Health Care Fraud Unit proactive billing analytics",
  "model_version": null,
  "developer": "U.S. Department of Justice, Criminal Division Fraud Section, Health Care Fraud Unit Data Analytics Team",
  "deployer": "U.S. Department of Justice with HHS-OIG and CMS",
  "location": null,
  "domain": "Health care fraud and public insurance",
  "segment": "Medicare durable medical equipment claims",
  "benefit_type": "Reduced Risk",
  "taxonomy_note": null,
  "registry_ids": {},
  "ratings": [
    {
      "group": "societal",
      "depth": 4,
      "reason": "The release states that $4.41 billion scheduled to be paid by Medicare was held in escrow for return to the Medicare trust fund. Supplemental insurers still paid about $900 million."
    },
    {
      "group": "organizational",
      "depth": 3,
      "reason": "CMS and HHS-OIG stopped payment of all but about $41 million of $4.45 billion in claims from the organization, per the release."
    },
    {
      "group": "personal",
      "depth": null,
      "reason": "The release describes over one million stolen identities but documents no outcome for the individual beneficiaries."
    }
  ],
  "ai_role": {
    "status": "unassessed",
    "statement": "DOJ attributes detection to proactive data analytics. The reviewed sources do not establish that AI was used. The AI-enabled Data Fusion Center was announced separately as future work."
  },
  "evidence": [
    {
      "kind": "press release",
      "citation": "U.S. Department of Justice, Office of Public Affairs, “National Health Care Fraud Takedown Results in 324 Defendants Charged in Connection with Over $14.6 Billion in Alleged Fraud,” June 30, 2025, § “Transnational Criminal Organizations.”",
      "title": "National Health Care Fraud Takedown Results in 324 Defendants Charged in Connection with Over $14.6 Billion in Alleged Fraud",
      "url": "https://www.justice.gov/opa/pr/national-health-care-fraud-takedown-results-324-defendants-charged-connection-over-146",
      "date": "2025-06-30",
      "written_by": "deployer",
      "quote": "The Health Care Fraud Unit's Data Analytics Team and its partners detected the anomalous billing through proactive data analytics"
    },
    {
      "kind": "press release",
      "citation": "U.S. Department of Justice, Office of Public Affairs, press release, 3 February 2026. Brooklyn Banker Pleads Guilty to Laundering Proceeds of Medicare Fraud for Transnational Criminal Organization.",
      "title": "Brooklyn Banker Pleads Guilty to Laundering Proceeds of Medicare Fraud for Transnational Criminal Organization",
      "url": "https://www.justice.gov/opa/pr/brooklyn-banker-pleads-guilty-laundering-proceeds-medicare-fraud-transnational-criminal",
      "date": "2026-02-03",
      "written_by": "deployer",
      "quote": null
    },
    {
      "kind": "court document",
      "citation": "United States v. Nakhmatullaev et al., No. 25-cr-203, indictment, June 18, 2025, 1–10, ¶¶ 1–20, 32–34 (E.D.N.Y.).",
      "title": "United States v. Nakhmatullaev et al., indictment",
      "url": "https://www.justice.gov/criminal/media/1405326/dl?inline=",
      "date": "2025-06-18",
      "written_by": "deployer",
      "quote": null
    },
    {
      "kind": "press release",
      "citation": "U.S. Department of Justice, Office of Public Affairs, “Ohio Man Pleads Guilty to Laundering Health Care Fraud Proceeds for Transnational Criminal Organization,” August 14, 2026, ¶¶ 1–9.",
      "title": "Ohio Man Pleads Guilty to Laundering Health Care Fraud Proceeds for Transnational Criminal Organization",
      "url": "https://www.justice.gov/opa/pr/ohio-man-pleads-guilty-laundering-health-care-fraud-proceeds-transnational-criminal",
      "date": "2026-08-14",
      "written_by": "deployer",
      "quote": null
    }
  ],
  "replication": {
    "produced_by": [
      "Analysts detected anomalous Medicare billing.",
      "HHS-OIG and CMS suspended scheduled payments."
    ],
    "must_hold": [
      "Access to billing data before payment.",
      "Legal authority and operational capacity to suspend payments."
    ],
    "echoes": []
  },
  "paired_incident": null,
  "headline": "Medicare withholds $4.41 billion in suspected fraudulent payments",
  "metric": "HHS-OIG and CMS prevented all but $41 million of $4.45 billion",
  "comparator": {
    "against": "the amount Medicare was scheduled to pay on the fraudulent claims had the billing gone undetected",
    "before": "the approximately $4.45 billion that was scheduled to be paid by Medicare",
    "after": "all but approximately $41 million",
    "basis": "measured",
    "quote": "The Health Care Fraud Unit's Data Analytics Team and its partners detected the anomalous billing through proactive data analytics, and HHS-OIG and CMS successfully prevented the organization from receiving all but approximately $41 million of the approximately $4.45 billion that was scheduled to be paid by Medicare.",
    "url": "https://www.justice.gov/opa/pr/national-health-care-fraud-takedown-results-324-defendants-charged-connection-over-146"
  },
  "later": {
    "status": "litigated",
    "date": "2026-08-13",
    "note": "DOJ reported 35 people charged and 16 convicted by August 14, 2026, following a money-laundering guilty plea the previous day. These developments do not establish an AI contribution or the final disposition of the $4.41 billion in escrow.",
    "quote": null,
    "url": "https://www.justice.gov/opa/pr/ohio-man-pleads-guilty-laundering-health-care-fraud-proceeds-transnational-criminal"
  },
  "value": {
    "amount": "$4.41 billion",
    "what": "fraudulent Medicare payments held in escrow rather than paid out, to be returned to the Medicare trust fund",
    "who": "Medicare trust fund (HHS and CMS)",
    "estimate": false,
    "quote": "HHS and CMS intend to seek to return the $4.41 billion in escrow to the Medicare trust fund for needed medical care.",
    "url": "https://www.justice.gov/opa/pr/national-health-care-fraud-takedown-results-324-defendants-charged-connection-over-146"
  },
  "developer_country": "United States",
  "deployer_country": "United States",
  "unrated_because": null,
  "brief_notes": null,
  "brief": null,
  "revisions": [
    {
      "date": "2026-10-20",
      "change": "Record drafted from the cited sources.",
      "source": null,
      "editor": "AIBD"
    },
    {
      "date": "2026-10-21",
      "change": "Benefit type set to Reduced Risk under Trustible's full taxonomy of 23 types; it was Improved Organizational Efficiency among the six first used.",
      "source": "https://trustible.ai/post/a-framework-for-measuring-the-benefits-of-ai/",
      "editor": "AIBD"
    },
    {
      "date": "2026-10-21",
      "change": "Added what the benefit is measured against, what happened since, the value as stated from the cited sources.",
      "source": "https://www.justice.gov/opa/pr/national-health-care-fraud-takedown-results-324-defendants-charged-connection-over-146; https://www.justice.gov/opa/pr/brooklyn-banker-pleads-guilty-laundering-proceeds-medicare-fraud-transnational-criminal; https://www.justice.gov/opa/pr/national-health-care-fraud-takedown-results-324-defendants-charged-connection-over-146",
      "editor": "AIBD"
    },
    {
      "date": "2026-10-21",
      "change": "Country of the developer and the deployer added from the organization's own site or a registry.",
      "source": "https://www.justice.gov/contact-us; https://www.justice.gov/contact-us",
      "editor": "AIBD"
    },
    {
      "date": "2026-10-21",
      "change": "Prose pass: a rating reason, account, the replication conditions, the system's part rewritten in shorter sentences with abbreviations expanded; facts, figures and quotations unchanged.",
      "source": null,
      "editor": "AIBD"
    },
    {
      "date": "2026-10-25",
      "change": "Read the original DOJ announcements and linked indictment; separated billing analytics from the proposed AI-enabled Fusion Center, clarified escrow and losses, and added the August 2026 prosecution update.",
      "source": "https://www.justice.gov/opa/pr/national-health-care-fraud-takedown-results-324-defendants-charged-connection-over-146",
      "editor": "AIBD"
    }
  ],
  "confidence": "claimed",
  "shade": "low",
  "claim_status": "The deployer's account",
  "claim_basis": "Sources: the deployer's court document and three press releases from the deployer. The cited evidence includes no independent source and no finding by a regulator or court.",
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      "monetary observations": {
        "state": "value_present",
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        "state": "value_present",
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      "actors[]": {
        "state": "value_present",
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          "kind": "text",
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        "review_state": "reviewed",
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          "answer": "DOJ’s Health Care Fraud Unit and partners analyzed billing. HHS-OIG and CMS suspended payments."
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          "answer": "The named teams are U.S. federal agencies. The sources do not identify a private software owner."
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      },
      "ai_contribution": {
        "state": "value_present",
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        "review_state": "reviewed",
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        "display": {
          "answer": "DOJ credits proactive data analytics. It does not identify an AI component or measure its separate contribution."
        }
      },
      "ai_relationship": {
        "state": "unresolved",
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        "reason": "Whether the billing analysis used AI remains unresolved.",
        "review_state": "reviewed",
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          "answer": "Whether the billing analysis used AI remains unresolved."
        }
      },
      "assessments[].alternatives": {
        "state": "not_assessed",
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      },
      "assessments[].assessor_date": {
        "state": "not_assessed",
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      "assessments[].depth": {
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              {
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              }
            ]
          }
        },
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          "text": "An outline: the payment figure comes from the participating agencies, and an AI contribution remains unresolved."
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        "provenance": {
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          "answer": "An outline: the payment figure comes from the participating agencies, and an AI contribution remains unresolved."
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      },
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        },
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        "review_state": "reviewed",
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          "answer": "The payment hold is reported as completed. Returning the escrow to the Medicare trust fund was still intended."
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            ]
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        },
        "reason": "The reviewed sources do not provide public access to the analytic system.",
        "review_state": "reviewed",
        "coverage": "complete",
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          "answer": "The reviewed sources do not provide public access to the analytic system."
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        "state": "not_assessed",
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        "review_state": "reviewed",
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          "answer": "A federal fraud investigation and administrative payment suspension."
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      },
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          "kind": "text",
          "text": "The June 2025 announcement supports the payment figures. The indictment describes the alleged scheme. The later releases add prosecution updates."
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        "provenance": {
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          "answer": "The June 2025 announcement supports the payment figures. The indictment describes the alleged scheme. The later releases add prosecution updates."
        }
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          "kind": "text",
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        "provenance": {
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          "basis": "Original DOJ announcements and the linked indictment, reviewed October 25, 2026.",
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          ],
          "reviewed_on": "2026-10-25"
        },
        "review_state": "reviewed",
        "coverage": "complete",
        "display": {
          "answer": "Official accounts support the withheld-payment figure and prosecution updates. They do not establish that AI produced the benefit."
        }
      },
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        "state": "value_present",
        "value": {
          "kind": "text",
          "text": "The algorithm, AI contribution, operating costs, false-positive rate, and final escrow disposition remain unestablished."
        },
        "provenance": {
          "kind": "source_review",
          "basis": "Original DOJ announcements and the linked indictment, reviewed October 25, 2026.",
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          "source_refs": [
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          "reviewed_on": "2026-10-25"
        },
        "review_state": "reviewed",
        "coverage": "complete",
        "display": {
          "answer": "The algorithm, AI contribution, operating costs, false-positive rate, and final escrow disposition remain unestablished."
        }
      },
      "claims[].proposition": {
        "state": "value_present",
        "value": {
          "kind": "text",
          "text": "Billing analysis contributed to the detection of a scheme whose scheduled payments were largely suspended."
        },
        "provenance": {
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          "basis": "Original DOJ announcements and the linked indictment, reviewed October 25, 2026.",
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          "reviewed_on": "2026-10-25"
        },
        "review_state": "reviewed",
        "coverage": "complete",
        "display": {
          "answer": "Billing analysis contributed to the detection of a scheme whose scheduled payments were largely suspended."
        }
      },
      "cross_border_flows[]": {
        "state": "value_present",
        "value": {
          "kind": "text",
          "text": "DOJ describes criminal transfers to overseas companies and accounts. It does not document cross-border movement of the analytic system, its training data, or its computing resources."
        },
        "provenance": {
          "kind": "source_review",
          "basis": "Original DOJ announcements and the linked indictment, reviewed October 25, 2026.",
          "record_fields": [],
          "source_refs": [
            "AIBD-0187-source-0001",
            "AIBD-0187-source-0003",
            "AIBD-0187-source-0004"
          ],
          "reviewed_on": "2026-10-25"
        },
        "review_state": "reviewed",
        "coverage": "complete",
        "display": {
          "answer": "DOJ describes criminal transfers to overseas companies and accounts. It does not document cross-border movement of the analytic system, its training data, or its computing resources."
        }
      },
      "decisions[].action_outcome": {
        "state": "value_present",
        "value": {
          "kind": "text",
          "text": "Payments were suspended. The June 2025 indictment and later guilty pleas concern the alleged criminal scheme."
        },
        "provenance": {
          "kind": "source_review",
          "basis": "Original DOJ announcements and the linked indictment, reviewed October 25, 2026.",
          "record_fields": [],
          "source_refs": [
            "AIBD-0187-source-0001",
            "AIBD-0187-source-0002",
            "AIBD-0187-source-0003",
            "AIBD-0187-source-0004"
          ],
          "reviewed_on": "2026-10-25"
        },
        "review_state": "reviewed",
        "coverage": "complete",
        "display": {
          "answer": "Payments were suspended. The June 2025 indictment and later guilty pleas concern the alleged criminal scheme."
        }
      },
      "decisions[].grounds": {
        "state": "value_present",
        "value": {
          "kind": "text",
          "text": "Anomalous billing and evidence of fraudulent claims were the stated grounds. The sources do not give a separate test of AI’s contribution."
        },
        "provenance": {
          "kind": "source_review",
          "basis": "Original DOJ announcements and the linked indictment, reviewed October 25, 2026.",
          "record_fields": [],
          "source_refs": [
            "AIBD-0187-source-0001",
            "AIBD-0187-source-0003"
          ],
          "reviewed_on": "2026-10-25"
        },
        "review_state": "reviewed",
        "coverage": "complete",
        "display": {
          "answer": "Anomalous billing and evidence of fraudulent claims were the stated grounds. The sources do not give a separate test of AI’s contribution."
        }
      },
      "decisions[].institution_task": {
        "state": "value_present",
        "value": {
          "kind": "text",
          "text": "HHS-OIG and CMS suspended payments while DOJ and its partners investigated the alleged fraud."
        },
        "provenance": {
          "kind": "source_review",
          "basis": "Original DOJ announcements and the linked indictment, reviewed October 25, 2026.",
          "record_fields": [],
          "source_refs": [
            "AIBD-0187-source-0001"
          ],
          "reviewed_on": "2026-10-25"
        },
        "review_state": "reviewed",
        "coverage": "complete",
        "display": {
          "answer": "HHS-OIG and CMS suspended payments while DOJ and its partners investigated the alleged fraud."
        }
      },
      "decisions[].success_criterion": {
        "state": "value_present",
        "value": {
          "kind": "text",
          "text": "The announcements describe preventing improper payments and prosecuting fraud. They do not specify a prospective numerical threshold for success."
        },
        "provenance": {
          "kind": "source_review",
          "basis": "Original DOJ announcements and the linked indictment, reviewed October 25, 2026.",
          "record_fields": [],
          "source_refs": [
            "AIBD-0187-source-0001"
          ],
          "reviewed_on": "2026-10-25"
        },
        "review_state": "reviewed",
        "coverage": "complete",
        "display": {
          "answer": "The announcements describe preventing improper payments and prosecuting fraud. They do not specify a prospective numerical threshold for success."
        }
      },
      "deployment_stage": {
        "state": "value_present",
        "value": {
          "kind": "text",
          "text": "Operational billing analysis supported an active investigation."
        },
        "provenance": {
          "kind": "source_review",
          "basis": "Original DOJ announcements and the linked indictment, reviewed October 25, 2026.",
          "record_fields": [],
          "source_refs": [
            "AIBD-0187-source-0001"
          ],
          "reviewed_on": "2026-10-25"
        },
        "review_state": "reviewed",
        "coverage": "complete",
        "display": {
          "answer": "Operational billing analysis supported an active investigation."
        }
      },
      "economics[].amount": {
        "state": "value_present",
        "value": {
          "kind": "text",
          "text": "US$4.41 billion held in escrow."
        },
        "provenance": {
          "kind": "source_review",
          "basis": "Original DOJ announcements and the linked indictment, reviewed October 25, 2026.",
          "record_fields": [],
          "source_refs": [
            "AIBD-0187-source-0001"
          ],
          "reviewed_on": "2026-10-25"
        },
        "review_state": "reviewed",
        "coverage": "complete",
        "display": {
          "answer": "US$4.41 billion held in escrow."
        }
      },
      "economics[].costs[]": {
        "state": "not_reported",
        "provenance": {
          "kind": "source_review",
          "basis": "Original DOJ announcements and the linked indictment, reviewed October 25, 2026.",
          "record_fields": [],
          "source_refs": [
            "AIBD-0187-source-0001"
          ],
          "reviewed_on": "2026-10-25"
        },
        "reason": "The reviewed sources do not quantify operating or enforcement costs.",
        "review_state": "reviewed",
        "coverage": "complete",
        "display": {
          "answer": "The reviewed sources do not quantify operating or enforcement costs."
        }
      },
      "economics[].counterfactual": {
        "state": "value_present",
        "value": {
          "kind": "text",
          "text": "About $4.45 billion was scheduled for payment; about $41 million was paid. This accounting comparison does not isolate AI’s effect."
        },
        "provenance": {
          "kind": "source_review",
          "basis": "Original DOJ announcements and the linked indictment, reviewed October 25, 2026.",
          "record_fields": [],
          "source_refs": [
            "AIBD-0187-source-0001"
          ],
          "reviewed_on": "2026-10-25"
        },
        "review_state": "reviewed",
        "coverage": "complete",
        "display": {
          "answer": "About $4.45 billion was scheduled for payment; about $41 million was paid. This accounting comparison does not isolate AI’s effect."
        }
      },
      "economics[].currency_price_basis": {
        "state": "value_present",
        "value": {
          "kind": "text",
          "text": "U.S. dollars. The figures are nominal; no inflation adjustment is stated."
        },
        "provenance": {
          "kind": "source_review",
          "basis": "Original DOJ announcements and the linked indictment, reviewed October 25, 2026.",
          "record_fields": [],
          "source_refs": [
            "AIBD-0187-source-0001"
          ],
          "reviewed_on": "2026-10-25"
        },
        "review_state": "reviewed",
        "coverage": "complete",
        "display": {
          "answer": "U.S. dollars. The figures are nominal; no inflation adjustment is stated."
        }
      },
      "economics[].gross_net": {
        "state": "value_present",
        "value": {
          "kind": "text",
          "text": "The figure is gross money withheld. It does not deduct investigation, prosecution, or administrative costs."
        },
        "provenance": {
          "kind": "source_review",
          "basis": "Original DOJ announcements and the linked indictment, reviewed October 25, 2026.",
          "record_fields": [],
          "source_refs": [
            "AIBD-0187-source-0001"
          ],
          "reviewed_on": "2026-10-25"
        },
        "review_state": "reviewed",
        "coverage": "complete",
        "display": {
          "answer": "The figure is gross money withheld. It does not deduct investigation, prosecution, or administrative costs."
        }
      },
      "economics[].measure_type": {
        "state": "value_present",
        "value": {
          "kind": "text",
          "text": "Scheduled payments withheld in escrow, rather than a realized net saving."
        },
        "provenance": {
          "kind": "source_review",
          "basis": "Original DOJ announcements and the linked indictment, reviewed October 25, 2026.",
          "record_fields": [],
          "source_refs": [
            "AIBD-0187-source-0001"
          ],
          "reviewed_on": "2026-10-25"
        },
        "review_state": "reviewed",
        "coverage": "complete",
        "display": {
          "answer": "Scheduled payments withheld in escrow, rather than a realized net saving."
        }
      },
      "economics[].period_unit": {
        "state": "value_present",
        "value": {
          "kind": "text",
          "text": "The Operation Gold Rush payment hold reported on June 30, 2025. The exact interval covered by the total is not specified."
        },
        "provenance": {
          "kind": "source_review",
          "basis": "Original DOJ announcements and the linked indictment, reviewed October 25, 2026.",
          "record_fields": [],
          "source_refs": [
            "AIBD-0187-source-0001"
          ],
          "reviewed_on": "2026-10-25"
        },
        "review_state": "reviewed",
        "coverage": "complete",
        "display": {
          "answer": "The Operation Gold Rush payment hold reported on June 30, 2025. The exact interval covered by the total is not specified."
        }
      },
      "economics[].realization": {
        "state": "value_present",
        "value": {
          "kind": "text",
          "text": "$4.41 billion was held in escrow. Returning it to the trust fund remained an intention in the announcement."
        },
        "provenance": {
          "kind": "source_review",
          "basis": "Original DOJ announcements and the linked indictment, reviewed October 25, 2026.",
          "record_fields": [],
          "source_refs": [
            "AIBD-0187-source-0001"
          ],
          "reviewed_on": "2026-10-25"
        },
        "review_state": "reviewed",
        "coverage": "complete",
        "display": {
          "answer": "$4.41 billion was held in escrow. Returning it to the trust fund remained an intention in the announcement."
        }
      },
      "economics[].recipient_payer": {
        "state": "value_present",
        "value": {
          "kind": "text",
          "text": "Medicare was the scheduled payer; the Medicare trust fund was the intended recipient of returned escrow."
        },
        "provenance": {
          "kind": "source_review",
          "basis": "Original DOJ announcements and the linked indictment, reviewed October 25, 2026.",
          "record_fields": [],
          "source_refs": [
            "AIBD-0187-source-0001"
          ],
          "reviewed_on": "2026-10-25"
        },
        "review_state": "reviewed",
        "coverage": "complete",
        "display": {
          "answer": "Medicare was the scheduled payer; the Medicare trust fund was the intended recipient of returned escrow."
        }
      },
      "economics[].return_payback": {
        "state": "unresolved",
        "provenance": {
          "kind": "source_review",
          "basis": "Original DOJ announcements and the linked indictment, reviewed October 25, 2026.",
          "record_fields": [],
          "source_refs": [
            "AIBD-0187-source-0001"
          ],
          "reviewed_on": "2026-10-25"
        },
        "reason": "A return or payback period cannot be calculated from the reviewed figures because costs and an AI contribution are unestablished.",
        "review_state": "reviewed",
        "coverage": "complete",
        "display": {
          "answer": "A return or payback period cannot be calculated from the reviewed figures because costs and an AI contribution are unestablished."
        }
      },
      "economics[].valuation_method": {
        "state": "value_present",
        "value": {
          "kind": "text",
          "text": "DOJ reports the scheduled, paid, and escrowed amounts. No monetary valuation model is described."
        },
        "provenance": {
          "kind": "source_review",
          "basis": "Original DOJ announcements and the linked indictment, reviewed October 25, 2026.",
          "record_fields": [],
          "source_refs": [
            "AIBD-0187-source-0001"
          ],
          "reviewed_on": "2026-10-25"
        },
        "review_state": "reviewed",
        "coverage": "complete",
        "display": {
          "answer": "DOJ reports the scheduled, paid, and escrowed amounts. No monetary valuation model is described."
        }
      },
      "evaluations[].ai_uplift": {
        "state": "not_assessed",
        "review_state": "not_assessed",
        "coverage": "partial",
        "family": "evaluations"
      },
      "evaluations[].comparator": {
        "state": "not_assessed",
        "review_state": "not_assessed",
        "coverage": "partial",
        "family": "evaluations"
      },
      "evaluations[].design": {
        "state": "not_assessed",
        "review_state": "not_assessed",
        "coverage": "partial",
        "family": "evaluations"
      },
      "evaluations[].effect": {
        "state": "not_assessed",
        "review_state": "not_assessed",
        "coverage": "partial",
        "family": "evaluations"
      },
      "evaluations[].exposure": {
        "state": "not_assessed",
        "review_state": "not_assessed",
        "coverage": "partial",
        "family": "evaluations"
      },
      "evaluations[].id": {
        "state": "not_assessed",
        "review_state": "not_assessed",
        "coverage": "partial",
        "family": "evaluations"
      },
      "evaluations[].measurement_method": {
        "state": "not_assessed",
        "review_state": "not_assessed",
        "coverage": "partial",
        "family": "evaluations"
      },
      "evaluations[].metric": {
        "state": "not_assessed",
        "provenance": {
          "kind": "legacy_record",
          "basis": "Mapped from the existing case description without a new external source review.",
          "record_fields": [
            "metric"
          ],
          "source_refs": []
        },
        "review_state": "not_assessed",
        "coverage": "partial",
        "family": "evaluations",
        "display": {
          "answer": "HHS-OIG and CMS prevented all but $41 million of $4.45 billion",
          "editor_note": ""
        }
      },
      "evaluations[].reproduction_materials": {
        "state": "not_assessed",
        "review_state": "not_assessed",
        "coverage": "partial",
        "family": "evaluations"
      },
      "evaluations[].setting_sample": {
        "state": "not_assessed",
        "review_state": "not_assessed",
        "coverage": "partial",
        "family": "evaluations"
      },
      "evaluations[].uncertainty_limitations": {
        "state": "not_assessed",
        "review_state": "not_assessed",
        "coverage": "partial",
        "family": "evaluations"
      },
      "external_references[]": {
        "state": "value_present",
        "value": {
          "kind": "text",
          "text": "United States v. Nakhmatullaev et al., No. 25-cr-203."
        },
        "provenance": {
          "kind": "source_review",
          "basis": "Original DOJ announcements and the linked indictment, reviewed October 25, 2026.",
          "record_fields": [],
          "source_refs": [
            "AIBD-0187-source-0003"
          ],
          "reviewed_on": "2026-10-25"
        },
        "review_state": "reviewed",
        "coverage": "complete",
        "display": {
          "answer": "United States v. Nakhmatullaev et al., No. 25-cr-203."
        }
      },
      "follow_up[]": {
        "state": "value_present",
        "value": {
          "kind": "text",
          "text": "DOJ reported 35 people charged and 16 convicted by August 14, 2026, following a money-laundering guilty plea the previous day. These developments do not establish an AI contribution or the final disposition of the $4.41 billion in escrow."
        },
        "provenance": {
          "kind": "source_review",
          "basis": "Original DOJ announcements and the linked indictment, reviewed October 25, 2026.",
          "record_fields": [],
          "source_refs": [
            "AIBD-0187-source-0002",
            "AIBD-0187-source-0004"
          ],
          "reviewed_on": "2026-10-25"
        },
        "review_state": "reviewed",
        "coverage": "complete",
        "display": {
          "answer": "DOJ reported 35 people charged and 16 convicted by August 14, 2026, following a money-laundering guilty plea the previous day. These developments do not establish an AI contribution or the final disposition of the $4.41 billion in escrow."
        }
      },
      "human_oversight": {
        "state": "value_present",
        "value": {
          "kind": "text",
          "text": "Federal analysts, investigators, prosecutors, and payment administrators performed distinct roles. The sources do not describe a specific review protocol for software alerts."
        },
        "provenance": {
          "kind": "source_review",
          "basis": "Original DOJ announcements and the linked indictment, reviewed October 25, 2026.",
          "record_fields": [],
          "source_refs": [
            "AIBD-0187-source-0001"
          ],
          "reviewed_on": "2026-10-25"
        },
        "review_state": "reviewed",
        "coverage": "complete",
        "display": {
          "answer": "Federal analysts, investigators, prosecutors, and payment administrators performed distinct roles. The sources do not describe a specific review protocol for software alerts."
        }
      },
      "id": {
        "state": "value_present",
        "value": {
          "kind": "record_fields",
          "fields": {
            "id": "AIBD-0187"
          }
        },
        "provenance": {
          "kind": "legacy_record",
          "basis": "Preserved from the existing AIBD record; external sources were not rechecked.",
          "record_fields": [
            "id"
          ],
          "source_refs": []
        },
        "review_state": "record_mapped",
        "coverage": "partial"
      },
      "infrastructure_dependencies[]": {
        "state": "value_present",
        "value": {
          "kind": "text",
          "text": "The investigation required Medicare billing records, access to payment administration, and cooperation among federal agencies."
        },
        "provenance": {
          "kind": "source_review",
          "basis": "Original DOJ announcements and the linked indictment, reviewed October 25, 2026.",
          "record_fields": [],
          "source_refs": [
            "AIBD-0187-source-0001"
          ],
          "reviewed_on": "2026-10-25"
        },
        "review_state": "reviewed",
        "coverage": "complete",
        "display": {
          "answer": "The investigation required Medicare billing records, access to payment administration, and cooperation among federal agencies."
        }
      },
      "outcomes[].beneficiaries": {
        "state": "value_present",
        "value": {
          "kind": "text",
          "text": "Medicare and the public funds that support it."
        },
        "provenance": {
          "kind": "source_review",
          "basis": "Original DOJ announcements and the linked indictment, reviewed October 25, 2026.",
          "record_fields": [],
          "source_refs": [
            "AIBD-0187-source-0001"
          ],
          "reviewed_on": "2026-10-25"
        },
        "review_state": "reviewed",
        "coverage": "complete",
        "display": {
          "answer": "Medicare and the public funds that support it."
        }
      },
      "outcomes[].beneficiary_count": {
        "state": "value_present",
        "value": {
          "kind": "text",
          "text": "More than one million people had identities stolen. That is a count of people affected by the alleged fraud, not a measured count of people helped by AI."
        },
        "provenance": {
          "kind": "source_review",
          "basis": "Original DOJ announcements and the linked indictment, reviewed October 25, 2026.",
          "record_fields": [],
          "source_refs": [
            "AIBD-0187-source-0001",
            "AIBD-0187-source-0003"
          ],
          "reviewed_on": "2026-10-25"
        },
        "review_state": "reviewed",
        "coverage": "complete",
        "display": {
          "answer": "More than one million people had identities stolen. That is a count of people affected by the alleged fraud, not a measured count of people helped by AI."
        }
      },
      "outcomes[].benefit_type": {
        "state": "value_present",
        "value": {
          "kind": "text",
          "text": "Avoided payment of suspected fraudulent claims."
        },
        "provenance": {
          "kind": "source_review",
          "basis": "Original DOJ announcements and the linked indictment, reviewed October 25, 2026.",
          "record_fields": [],
          "source_refs": [
            "AIBD-0187-source-0001"
          ],
          "reviewed_on": "2026-10-25"
        },
        "review_state": "reviewed",
        "coverage": "complete",
        "display": {
          "answer": "Avoided payment of suspected fraudulent claims."
        }
      },
      "outcomes[].claim": {
        "state": "value_present",
        "value": {
          "kind": "text",
          "text": "$4.41 billion in scheduled Medicare payments was held in escrow."
        },
        "provenance": {
          "kind": "source_review",
          "basis": "Original DOJ announcements and the linked indictment, reviewed October 25, 2026.",
          "record_fields": [],
          "source_refs": [
            "AIBD-0187-source-0001"
          ],
          "reviewed_on": "2026-10-25"
        },
        "review_state": "reviewed",
        "coverage": "complete",
        "display": {
          "answer": "$4.41 billion in scheduled Medicare payments was held in escrow."
        }
      },
      "outcomes[].distribution": {
        "state": "not_reported",
        "provenance": {
          "kind": "source_review",
          "basis": "Original DOJ announcements and the linked indictment, reviewed October 25, 2026.",
          "record_fields": [],
          "source_refs": [
            "AIBD-0187-source-0001"
          ],
          "reviewed_on": "2026-10-25"
        },
        "reason": "The announcement does not measure how the payment hold benefited particular beneficiaries or communities.",
        "review_state": "reviewed",
        "coverage": "complete",
        "display": {
          "answer": "The announcement does not measure how the payment hold benefited particular beneficiaries or communities."
        }
      },
      "outcomes[].duration": {
        "state": "value_present",
        "value": {
          "kind": "text",
          "text": "The money was held by June 30, 2025. The reviewed sources do not establish the final disposition of the escrow."
        },
        "provenance": {
          "kind": "source_review",
          "basis": "Original DOJ announcements and the linked indictment, reviewed October 25, 2026.",
          "record_fields": [],
          "source_refs": [
            "AIBD-0187-source-0001"
          ],
          "reviewed_on": "2026-10-25"
        },
        "review_state": "reviewed",
        "coverage": "complete",
        "display": {
          "answer": "The money was held by June 30, 2025. The reviewed sources do not establish the final disposition of the escrow."
        }
      },
      "outcomes[].id": {
        "state": "value_present",
        "value": {
          "kind": "text",
          "text": "AIBD-0187-outcome-01"
        },
        "provenance": {
          "kind": "curatorial",
          "basis": "Original DOJ announcements and the linked indictment, reviewed October 25, 2026.",
          "record_fields": [],
          "source_refs": [
            "AIBD-0187-source-0001"
          ],
          "reviewed_on": "2026-10-25"
        },
        "review_state": "reviewed",
        "coverage": "complete",
        "display": {
          "answer": "AIBD-0187-outcome-01"
        }
      },
      "outcomes[].stakeholder_group": {
        "state": "value_present",
        "value": {
          "kind": "record_fields",
          "fields": {
            "ratings": [
              {
                "group": "societal",
                "depth": 4,
                "reason": "The release states that $4.41 billion scheduled to be paid by Medicare was held in escrow for return to the Medicare trust fund. Supplemental insurers still paid about $900 million."
              },
              {
                "group": "organizational",
                "depth": 3,
                "reason": "CMS and HHS-OIG stopped payment of all but about $41 million of $4.45 billion in claims from the organization, per the release."
              },
              {
                "group": "personal",
                "reason": "The release describes over one million stolen identities but documents no outcome for the individual beneficiaries."
              }
            ]
          }
        },
        "provenance": {
          "kind": "legacy_record",
          "basis": "Preserved from the existing AIBD record; external sources were not rechecked.",
          "record_fields": [
            "ratings"
          ],
          "source_refs": []
        },
        "review_state": "record_mapped",
        "coverage": "partial"
      },
      "outcomes[].status": {
        "state": "value_present",
        "value": {
          "kind": "text",
          "text": "The payment suspension occurred. Return of the escrow to the Medicare trust fund remained intended."
        },
        "provenance": {
          "kind": "source_review",
          "basis": "Original DOJ announcements and the linked indictment, reviewed October 25, 2026.",
          "record_fields": [],
          "source_refs": [
            "AIBD-0187-source-0001"
          ],
          "reviewed_on": "2026-10-25"
        },
        "review_state": "reviewed",
        "coverage": "complete",
        "display": {
          "answer": "The payment suspension occurred. Return of the escrow to the Medicare trust fund remained intended."
        }
      },
      "outcomes[].tradeoffs": {
        "state": "value_present",
        "value": {
          "kind": "text",
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        },
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        },
        "review_state": "reviewed",
        "coverage": "complete",
        "display": {
          "answer": "About $41 million reached the organization through Medicare, and supplemental insurers paid about $900 million. Enforcement costs and effects on legitimate payments are not quantified."
        }
      },
      "outcomes[].unexpected": {
        "state": "value_present",
        "value": {
          "kind": "text",
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        },
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        },
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        "coverage": "complete",
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        }
      },
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          "kind": "structured",
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            "developer_country": "United States",
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            "answer": "The analysis and payment administration occurred in the United States. The investigation involved overseas arrests and transfers."
          }
        },
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        },
        "review_state": "reviewed",
        "coverage": "complete",
        "display": {
          "answer": "The analysis and payment administration occurred in the United States. The investigation involved overseas arrests and transfers."
        }
      },
      "purpose": {
        "state": "value_present",
        "value": {
          "kind": "text",
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        },
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        },
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          "answer": "Detect health care fraud before scheduled payments leave Medicare."
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                "date": "2026-10-21",
                "change": "Benefit type set to Reduced Risk under Trustible's full taxonomy of 23 types; it was Improved Organizational Efficiency among the six first used.",
                "source": "https://trustible.ai/post/a-framework-for-measuring-the-benefits-of-ai/",
                "editor": "AIBD"
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              {
                "date": "2026-10-21",
                "change": "Added what the benefit is measured against, what happened since, the value as stated from the cited sources.",
                "source": "https://www.justice.gov/opa/pr/national-health-care-fraud-takedown-results-324-defendants-charged-connection-over-146; https://www.justice.gov/opa/pr/brooklyn-banker-pleads-guilty-laundering-proceeds-medicare-fraud-transnational-criminal; https://www.justice.gov/opa/pr/national-health-care-fraud-takedown-results-324-defendants-charged-connection-over-146",
                "editor": "AIBD"
              },
              {
                "date": "2026-10-21",
                "change": "Country of the developer and the deployer added from the organization's own site or a registry.",
                "source": "https://www.justice.gov/contact-us; https://www.justice.gov/contact-us",
                "editor": "AIBD"
              },
              {
                "date": "2026-10-21",
                "change": "Prose pass: a rating reason, account, the replication conditions, the system's part rewritten in shorter sentences with abbreviations expanded; facts, figures and quotations unchanged.",
                "editor": "AIBD"
              },
              {
                "date": "2026-10-25",
                "change": "Read the original DOJ announcements and linked indictment; separated billing analytics from the proposed AI-enabled Fusion Center, clarified escrow and losses, and added the August 2026 prosecution update.",
                "source": "https://www.justice.gov/opa/pr/national-health-care-fraud-takedown-results-324-defendants-charged-connection-over-146",
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              }
            ]
          }
        },
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            "revisions"
          ],
          "source_refs": []
        },
        "review_state": "record_mapped",
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      },
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            "AIBD-0187-source-0004"
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          "reviewed_on": "2026-10-25"
        },
        "reason": "The reviewed sources do not describe an independent replication of the billing analysis.",
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        "display": {
          "answer": "The reviewed sources do not describe an independent replication of the billing analysis."
        }
      },
      "replication.conditions": {
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        "value": {
          "kind": "text",
          "text": "The agencies needed billing data and the authority to stop payments before the money was transferred."
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          "reviewed_on": "2026-10-25"
        },
        "review_state": "reviewed",
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        "display": {
          "answer": "The agencies needed billing data and the authority to stop payments before the money was transferred."
        }
      },
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              },
              {
                "date": "2026-10-21",
                "change": "Benefit type set to Reduced Risk under Trustible's full taxonomy of 23 types; it was Improved Organizational Efficiency among the six first used.",
                "source": "https://trustible.ai/post/a-framework-for-measuring-the-benefits-of-ai/",
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              },
              {
                "date": "2026-10-21",
                "change": "Added what the benefit is measured against, what happened since, the value as stated from the cited sources.",
                "source": "https://www.justice.gov/opa/pr/national-health-care-fraud-takedown-results-324-defendants-charged-connection-over-146; https://www.justice.gov/opa/pr/brooklyn-banker-pleads-guilty-laundering-proceeds-medicare-fraud-transnational-criminal; https://www.justice.gov/opa/pr/national-health-care-fraud-takedown-results-324-defendants-charged-connection-over-146",
                "editor": "AIBD"
              },
              {
                "date": "2026-10-21",
                "change": "Country of the developer and the deployer added from the organization's own site or a registry.",
                "source": "https://www.justice.gov/contact-us; https://www.justice.gov/contact-us",
                "editor": "AIBD"
              },
              {
                "date": "2026-10-21",
                "change": "Prose pass: a rating reason, account, the replication conditions, the system's part rewritten in shorter sentences with abbreviations expanded; facts, figures and quotations unchanged.",
                "editor": "AIBD"
              },
              {
                "date": "2026-10-25",
                "change": "Read the original DOJ announcements and linked indictment; separated billing analytics from the proposed AI-enabled Fusion Center, clarified escrow and losses, and added the August 2026 prosecution update.",
                "source": "https://www.justice.gov/opa/pr/national-health-care-fraud-takedown-results-324-defendants-charged-connection-over-146",
                "editor": "AIBD"
              }
            ]
          }
        },
        "provenance": {
          "kind": "legacy_record",
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          "source_refs": []
        },
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        "coverage": "partial"
      },
      "sector": {
        "state": "value_present",
        "value": {
          "kind": "text",
          "text": "Public health insurance and fraud enforcement."
        },
        "provenance": {
          "kind": "source_review",
          "basis": "Original DOJ announcements and the linked indictment, reviewed October 25, 2026.",
          "record_fields": [],
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          "reviewed_on": "2026-10-25"
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        "review_state": "reviewed",
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          "answer": "Public health insurance and fraud enforcement."
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      },
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          "kind": "text",
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        },
        "review_state": "reviewed",
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        "display": {
          "answer": "DOJ’s original online releases and the June 18, 2025 indictment were inspected on October 25, 2026."
        }
      },
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                "kind": "press release",
                "citation": "U.S. Department of Justice, Office of Public Affairs, “National Health Care Fraud Takedown Results in 324 Defendants Charged in Connection with Over $14.6 Billion in Alleged Fraud,” June 30, 2025, § “Transnational Criminal Organizations.”",
                "title": "National Health Care Fraud Takedown Results in 324 Defendants Charged in Connection with Over $14.6 Billion in Alleged Fraud",
                "url": "https://www.justice.gov/opa/pr/national-health-care-fraud-takedown-results-324-defendants-charged-connection-over-146",
                "date": "2025-06-30",
                "written_by": "deployer",
                "quote": "The Health Care Fraud Unit's Data Analytics Team and its partners detected the anomalous billing through proactive data analytics"
              },
              {
                "kind": "press release",
                "citation": "U.S. Department of Justice, Office of Public Affairs, press release, 3 February 2026. Brooklyn Banker Pleads Guilty to Laundering Proceeds of Medicare Fraud for Transnational Criminal Organization.",
                "title": "Brooklyn Banker Pleads Guilty to Laundering Proceeds of Medicare Fraud for Transnational Criminal Organization",
                "url": "https://www.justice.gov/opa/pr/brooklyn-banker-pleads-guilty-laundering-proceeds-medicare-fraud-transnational-criminal",
                "date": "2026-02-03",
                "written_by": "deployer"
              },
              {
                "kind": "court document",
                "citation": "United States v. Nakhmatullaev et al., No. 25-cr-203, indictment, June 18, 2025, 1–10, ¶¶ 1–20, 32–34 (E.D.N.Y.).",
                "title": "United States v. Nakhmatullaev et al., indictment",
                "url": "https://www.justice.gov/criminal/media/1405326/dl?inline=",
                "date": "2025-06-18",
                "written_by": "deployer"
              },
              {
                "kind": "press release",
                "citation": "U.S. Department of Justice, Office of Public Affairs, “Ohio Man Pleads Guilty to Laundering Health Care Fraud Proceeds for Transnational Criminal Organization,” August 14, 2026, ¶¶ 1–9.",
                "title": "Ohio Man Pleads Guilty to Laundering Health Care Fraud Proceeds for Transnational Criminal Organization",
                "url": "https://www.justice.gov/opa/pr/ohio-man-pleads-guilty-laundering-health-care-fraud-proceeds-transnational-criminal",
                "date": "2026-08-14",
                "written_by": "deployer"
              }
            ]
          }
        },
        "provenance": {
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            "AIBD-0187-source-0002",
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            "AIBD-0187-source-0004"
          ],
          "role": "Retained sources"
        },
        "provenance": {
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          "source_refs": [
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            "AIBD-0187-source-0004"
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          "reviewed_on": "2026-10-25"
        },
        "review_state": "reviewed",
        "coverage": "complete",
        "display": {
          "answer": "4 retained sources."
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      "sources[].language": {
        "state": "value_present",
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          "kind": "text",
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        "provenance": {
          "kind": "source_review",
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          "record_fields": [],
          "source_refs": [
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            "AIBD-0187-source-0004"
          ],
          "reviewed_on": "2026-10-25"
        },
        "review_state": "reviewed",
        "coverage": "complete",
        "display": {
          "answer": "English."
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      },
      "sources[].relationship": {
        "state": "value_present",
        "value": {
          "kind": "text",
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        },
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          "kind": "source_review",
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          "record_fields": [],
          "source_refs": [
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            "AIBD-0187-source-0004"
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          "reviewed_on": "2026-10-25"
        },
        "review_state": "reviewed",
        "coverage": "complete",
        "display": {
          "answer": "DOJ reports its own investigation and prosecutions. The indictment records prosecutors’ allegations, not a judicial finding about an AI benefit."
        }
      },
      "sources[].upstream_sources": {
        "state": "value_present",
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              "AIBD-0187-source-0004"
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            "origins": [
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                "source_refs": [
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                "display_name": "U.S. Department of Justice",
                "url": "https://www.justice.gov/opa/pr/national-health-care-fraud-takedown-results-324-defendants-charged-connection-over-146",
                "contribution": "Reports the billing detection, scheduled payments, escrow, and losses. Announces the future AI-enabled center separately.",
                "locator": "§§ “Transnational Criminal Organizations” and “Breaking Down Silos in the Fight Against Health Care Fraud.”"
              },
              {
                "source_refs": [
                  "AIBD-0187-source-0002"
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                "display_name": "U.S. Department of Justice",
                "url": "https://www.justice.gov/opa/pr/brooklyn-banker-pleads-guilty-laundering-proceeds-medicare-fraud-transnational-criminal",
                "contribution": "Documents the banker’s guilty plea on February 3, 2026.",
                "locator": "¶¶ 1–5."
              },
              {
                "source_refs": [
                  "AIBD-0187-source-0003"
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                "display_name": "U.S. Department of Justice",
                "url": "https://www.justice.gov/criminal/media/1405326/dl?inline=",
                "contribution": "Original indictment underlying the announcement. Describes alleged ownership, billing, and money laundering; it does not establish an AI method.",
                "locator": "1–10, ¶¶ 1–20, 32–34."
              },
              {
                "source_refs": [
                  "AIBD-0187-source-0004"
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                "display_name": "U.S. Department of Justice",
                "url": "https://www.justice.gov/opa/pr/ohio-man-pleads-guilty-laundering-health-care-fraud-proceeds-transnational-criminal",
                "contribution": "Reports 35 people charged and 16 convicted by August 14, 2026.",
                "locator": "¶¶ 1–9."
              }
            ],
            "limitations": [
              "No reviewed source identifies an AI component in the billing detection.",
              "The announcements do not document a final return of the escrowed money to the trust fund."
            ]
          }
        },
        "provenance": {
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          ],
          "reviewed_on": "2026-10-25"
        },
        "review_state": "reviewed",
        "coverage": "complete",
        "display": {
          "answer": "DOJ is the original source for the payment figures. Its linked indictment describes the alleged scheme; later announcements document guilty pleas."
        }
      },
      "strategic_assessments[]": {
        "state": "not_assessed",
        "review_state": "not_assessed",
        "coverage": "partial",
        "family": "strategic assessments"
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      "summary": {
        "state": "value_present",
        "value": {
          "kind": "text",
          "text": "Federal analysts flagged unusual billing, and HHS-OIG and CMS held $4.41 billion in escrow during Operation Gold Rush."
        },
        "provenance": {
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          "record_fields": [],
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          "reviewed_on": "2026-10-25"
        },
        "review_state": "reviewed",
        "coverage": "complete",
        "display": {
          "answer": "Federal analysts flagged unusual billing, and HHS-OIG and CMS held $4.41 billion in escrow during Operation Gold Rush."
        }
      },
      "systems[].autonomy_permissions": {
        "state": "value_present",
        "value": {
          "kind": "text",
          "text": "HHS-OIG and CMS controlled payment suspensions. The sources do not describe an autonomous system that could withhold funds."
        },
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          "record_fields": [],
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          ],
          "reviewed_on": "2026-10-25"
        },
        "review_state": "reviewed",
        "coverage": "complete",
        "display": {
          "answer": "HHS-OIG and CMS controlled payment suspensions. The sources do not describe an autonomous system that could withhold funds."
        }
      },
      "systems[].component_role": {
        "state": "value_present",
        "value": {
          "kind": "text",
          "text": "The analysts detected unusual billing. HHS-OIG and CMS then stopped most scheduled payments."
        },
        "provenance": {
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          "record_fields": [],
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          "reviewed_on": "2026-10-25"
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        "review_state": "reviewed",
        "coverage": "complete",
        "display": {
          "answer": "The analysts detected unusual billing. HHS-OIG and CMS then stopped most scheduled payments."
        }
      },
      "systems[].deployment_configuration": {
        "state": "not_reported",
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          "source_refs": [
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          "reviewed_on": "2026-10-25"
        },
        "reason": "The reviewed sources do not specify the software, hosting, or runtime settings.",
        "review_state": "reviewed",
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        "display": {
          "answer": "The reviewed sources do not specify the software, hosting, or runtime settings."
        }
      },
      "systems[].inputs_outputs": {
        "state": "value_present",
        "value": {
          "kind": "text",
          "text": "Analysts examined health care billing and identified anomalous patterns. The model inputs and alert format are not specified."
        },
        "provenance": {
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          "record_fields": [],
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        "review_state": "reviewed",
        "coverage": "complete",
        "display": {
          "answer": "Analysts examined health care billing and identified anomalous patterns. The model inputs and alert format are not specified."
        }
      },
      "systems[].model_name": {
        "state": "not_reported",
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          "kind": "source_review",
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          "record_fields": [],
          "source_refs": [
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          "reviewed_on": "2026-10-25"
        },
        "reason": "The reviewed sources do not identify a model.",
        "review_state": "reviewed",
        "coverage": "complete",
        "display": {
          "answer": "The reviewed sources do not identify a model."
        }
      },
      "systems[].model_version": {
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          "reviewed_on": "2026-10-25"
        },
        "reason": "The reviewed sources do not identify a model release.",
        "review_state": "reviewed",
        "coverage": "complete",
        "display": {
          "answer": "The reviewed sources do not identify a model release."
        }
      },
      "systems[].product_name": {
        "state": "value_present",
        "value": {
          "kind": "text",
          "text": "DOJ Health Care Fraud Unit proactive billing analytics"
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        "review_state": "reviewed",
        "coverage": "complete",
        "display": {
          "answer": "DOJ Health Care Fraud Unit proactive billing analytics"
        }
      },
      "systems[].provider": {
        "state": "value_present",
        "value": {
          "kind": "text",
          "text": "The Department of Justice identifies its Health Care Fraud Unit Data Analytics Team and partners; it names no software supplier."
        },
        "provenance": {
          "kind": "source_review",
          "basis": "Original DOJ announcements and the linked indictment, reviewed October 25, 2026.",
          "record_fields": [],
          "source_refs": [
            "AIBD-0187-source-0001"
          ],
          "reviewed_on": "2026-10-25"
        },
        "review_state": "reviewed",
        "coverage": "complete",
        "display": {
          "answer": "The Department of Justice identifies its Health Care Fraud Unit Data Analytics Team and partners; it names no software supplier."
        }
      },
      "taxonomy_crosswalks[]": {
        "state": "not_assessed",
        "review_state": "not_assessed",
        "coverage": "partial"
      },
      "title": {
        "state": "value_present",
        "value": {
          "kind": "text",
          "text": "Medicare withholds $4.41 billion in suspected fraudulent payments"
        },
        "provenance": {
          "kind": "source_review",
          "basis": "Original DOJ announcements and the linked indictment, reviewed October 25, 2026.",
          "record_fields": [],
          "source_refs": [
            "AIBD-0187-source-0001"
          ],
          "reviewed_on": "2026-10-25"
        },
        "review_state": "reviewed",
        "coverage": "complete",
        "display": {
          "answer": "Medicare withholds $4.41 billion in suspected fraudulent payments"
        }
      },
      "version": {
        "state": "value_present",
        "value": {
          "kind": "identifiers",
          "identifiers": [
            "97b6aaeb2665f23ec816fe89bd7d400e53a9861274835d537c0b95d803e7f548"
          ],
          "role": "SHA-256 of normalized original case data"
        },
        "provenance": {
          "kind": "curatorial",
          "basis": "Content fingerprint refreshed after the October 25, 2026 source review.",
          "record_fields": [],
          "source_refs": [],
          "reviewed_on": "2026-10-25"
        },
        "review_state": "record_mapped",
        "coverage": "complete"
      },
      "workflow": {
        "state": "value_present",
        "value": {
          "kind": "text",
          "text": "Analysts detected anomalous billing; investigators examined the scheme, and HHS-OIG and CMS withheld scheduled payments."
        },
        "provenance": {
          "kind": "source_review",
          "basis": "Original DOJ announcements and the linked indictment, reviewed October 25, 2026.",
          "record_fields": [],
          "source_refs": [
            "AIBD-0187-source-0001"
          ],
          "reviewed_on": "2026-10-25"
        },
        "review_state": "reviewed",
        "coverage": "complete",
        "display": {
          "answer": "Analysts detected anomalous billing; investigators examined the scheme, and HHS-OIG and CMS withheld scheduled payments."
        }
      }
    },
    "summary": {
      "total": 91,
      "addressed": 91,
      "known": 64,
      "reviewed": 64,
      "record_mapped": 9,
      "not_assessed": 18,
      "complete": false,
      "by_state": {
        "value_present": 64,
        "not_reported": 7,
        "unresolved": 2,
        "not_assessed": 18,
        "not_applicable": 0,
        "withheld": 0,
        "source_unavailable": 0
      }
    }
  }
}
