{
  "id": "AIBD-0233",
  "title": "Chile's “Fiscal Heredia” AI model may have identified a 10-member “encerrona” robbery gang; a court accredits 8 robberies",
  "summary": "In Operación Influencer (11 May 2023) prosecutors and PDI detained a gang of 10 aged 15–22 behind eight accredited violent robberies; the Fiscalía credits the university-built AI model Fiscal Heredia.",
  "date_observed": "2023-05-11",
  "date_basis": "unassessed",
  "date_precision": "unassessed",
  "benefit_status": null,
  "source_collection": null,
  "source_entry": null,
  "account": "The Fiscalía de Chile's regional news release describes a joint investigation by Focos Occidente and the PDI's Brigada de Investigación Criminal. In the early hours of Thursday 11 May 2023 it led to 30 search warrants across Maipú, Pudahuel, Cerro Navia and other comunas. There were 17 detentions, ten linked to “encerronas” (robbery with intimidation or violence) whose perpetrators posted their robberies on TikTok. The release says they were identified through the software Fiscal Heredia (Herramienta para el Estudio del Delito Usando Inteligencia Artificial). It is an AI model developed by several universities and incorporated into the Ministerio Público in March 2023. It proposes probable participants from prosecution and police records for prosecutors and police to work up. The Noveno Juzgado de Garantía accredited the eight robberies. Four adults went to preventive detention and four adolescents remained in provisional internment. T13 quotes Fiscal Nacional Ángel Valencia saying the algorithm accelerates criminal analysis. It reports that after three members were arrested the AI searched their links to raise persons of interest later identified by victims. The OECD AI Incidents Monitor records the case.",
  "category": "benefit created",
  "unexpected": false,
  "purpose": "Build networks of links among people with criminal records to propose probable members of a group tied to a specific crime. This reduces the case files prosecutors must review.",
  "system": "Fiscal Heredia (Herramienta para el Estudio del Delito Usando Inteligencia Artificial)",
  "model_version": null,
  "developer": "Several universities (not named in the sources)",
  "deployer": "Ministerio Público de Chile (Fiscalía Regional Occidente, SACFI) with the Policía de Investigaciones",
  "location": null,
  "domain": "Criminal investigation / organized robbery",
  "segment": "Government",
  "benefit_type": "Reduced Violence",
  "taxonomy_note": null,
  "registry_ids": {},
  "ratings": [
    {
      "group": "societal",
      "depth": 3,
      "reason": "A gang responsible for at least eight accredited violent robberies was detained and formalized, with four adults in preventive detention, per the prosecutor's office."
    },
    {
      "group": "organizational",
      "depth": 2,
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    }
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  "ai_role": {
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    "statement": "The deploying public body credits the AI with the identification of probable participants, complemented by prosecutors' and police work and victim identification. T13 adds the mechanism (link search from three arrested members). No court document or independent evaluation of the model's accuracy is among the sources. The Fiscalía is both the source and the beneficiary."
  },
  "evidence": [
    {
      "kind": "press release",
      "citation": "Fiscalía de Chile, noticias regionales, 17 May 2023",
      "title": "“Operación Influencer”: Uso de IA permitió desarticular a banda de adolescentes que efectuó al menos 8 “encerronas” en Zona Occidente",
      "url": "https://www.fiscaliadechile.cl/actualidad/noticias/regionales/operacion-influencer-uso-de-ia-permitio-desarticular-banda-de",
      "date": "2023-05-17",
      "written_by": "deployer",
      "quote": "Su identificación fue realizada gracias al uso del software denominado Fiscal Heredia (Herramienta para el Estudio del Delito Usando Inteligencia Artificial), que es un modelo de IA"
    },
    {
      "kind": "news report",
      "citation": "T13 (Teletrece), 12 May 2023",
      "title": "\"Operación Influencer\": Cómo la Inteligencia Artificial fue clave en la detención de banda dedicada a las encerronas",
      "url": "https://www.t13.cl/noticia/nacional/operacion-influencer-inteligencia-artificial-clave-detencion-banda-encerronas-12-5-2023",
      "date": "2023-05-12",
      "written_by": "independent",
      "quote": "El algoritmo acelera el análisis criminal."
    },
    {
      "kind": "registry label",
      "citation": "OECD AI Incidents Monitor, incident 2023-05-12-99fe",
      "title": "AI System Enables Major Criminal Gang Bust in Chile's 'Operación Influencer'",
      "url": "https://oecd.ai/en/incidents/2023-05-12-99fe",
      "date": "2023-05-12",
      "written_by": "independent",
      "quote": "Chilean authorities used an AI system to analyze criminal data and detect networks, leading to the arrest of 10 individuals involved in violent carjackings and related crimes."
    }
  ],
  "replication": {
    "produced_by": [
      "Linked prosecution, prison and police records (SAF, Gendarmería, Carabineros)",
      "A few confirmed arrests seeding a link search",
      "Victim identification to confirm proposed persons of interest"
    ],
    "must_hold": [
      "Suspects must already appear in the records the model draws on",
      "Human verification before charging",
      "Legal basis for cross-agency data linkage"
    ],
    "echoes": []
  },
  "paired_incident": null,
  "headline": "Fiscal Heredia may have identified a 10-member robbery gang",
  "metric": "detained a gang of 10 aged 15–22 behind eight accredited violent robberies",
  "comparator": {
    "against": "prosecutors manually analyzing hundreds of case folders to find links",
    "before": "analizar cientos de carpetas para dar con potenciales vínculos",
    "after": "el sistema realiza un filtro y propone un número acotado de ellos",
    "basis": "assumed",
    "quote": "El algoritmo acelera el análisis criminal. Con él, las y los fiscales ya no tendrán que analizar cientos de carpetas para dar con potenciales vínculos, ya que el sistema realiza un filtro y propone un número acotado de ellos, reduciendo el volumen y la complejidad de la búsqueda",
    "url": "https://www.t13.cl/noticia/nacional/operacion-influencer-inteligencia-artificial-clave-detencion-banda-encerronas-12-5-2023"
  },
  "later": {
    "status": "litigated",
    "date": "2023-05-17",
    "note": "The Fiscalía's release of 17 May 2023 reports that the court accredited the eight robberies, placed four adults in preventive detention and kept four adolescents in provisional internment.",
    "quote": "El Tribunal dio por acreditado los 8 robos con modalidad encerronas.",
    "url": "https://www.fiscaliadechile.cl/actualidad/noticias/regionales/operacion-influencer-uso-de-ia-permitio-desarticular-banda-de"
  },
  "value": null,
  "developer_country": null,
  "deployer_country": "Chile",
  "unrated_because": null,
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      "editor": "AIBD"
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      "date": "2026-10-21",
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      "editor": "AIBD"
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      "editor": "AIBD"
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      "date": "2026-10-21",
      "change": "Added what the benefit is measured against, what happened since from the cited sources.",
      "source": "https://www.t13.cl/noticia/nacional/operacion-influencer-inteligencia-artificial-clave-detencion-banda-encerronas-12-5-2023; https://www.fiscaliadechile.cl/actualidad/noticias/regionales/operacion-influencer-uso-de-ia-permitio-desarticular-banda-de",
      "editor": "AIBD"
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      "date": "2026-10-21",
      "change": "Benefit type set to Reduced Violence under Trustible's full taxonomy of 23 types; it was Improved Knowledge Discovery 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": "Country of the deployer added from the organization's own site or a registry.",
      "source": "https://www.fiscaliadechile.cl/",
      "editor": "AIBD"
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      "date": "2026-10-21",
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  "confidence": "reported",
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      "outcomes[].benefit_type": {
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        },
        "provenance": {
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        "review_state": "not_assessed",
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              {
                "group": "organizational",
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            ]
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        "review_state": "record_mapped",
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        "review_state": "not_assessed",
        "coverage": "partial"
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        "review_state": "not_assessed",
        "coverage": "partial"
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        "state": "value_present",
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          "kind": "record_fields",
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        },
        "provenance": {
          "kind": "legacy_record",
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        },
        "provenance": {
          "kind": "legacy_record",
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        },
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          "kind": "legacy_record",
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          "kind": "record_fields",
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              {
                "date": "2026-10-21",
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                "editor": "AIBD"
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                "date": "2026-10-21",
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              },
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                "date": "2026-10-21",
                "change": "Added what the benefit is measured against, what happened since from the cited sources.",
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              },
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                "change": "Benefit type set to Reduced Violence under Trustible's full taxonomy of 23 types; it was Improved Knowledge Discovery among the six first used.",
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                "editor": "AIBD"
              },
              {
                "date": "2026-10-21",
                "change": "Country of the deployer added from the organization's own site or a registry.",
                "source": "https://www.fiscaliadechile.cl/",
                "editor": "AIBD"
              },
              {
                "date": "2026-10-21",
                "change": "Prose pass: account, purpose, the system's part rewritten in shorter sentences with abbreviations expanded; facts, figures and quotations unchanged.",
                "editor": "AIBD"
              },
              {
                "date": "2026-10-21",
                "change": "Notes about which sources could be read were reworded for readers; facts, figures and quotations unchanged.",
                "editor": "AIBD"
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        },
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              "must_hold": [
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                "Human verification before charging",
                "Legal basis for cross-agency data linkage"
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              "echoes": []
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        "coverage": "partial"
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          "kind": "record_fields",
          "fields": {
            "account": "The Fiscalía de Chile's regional news release describes a joint investigation by Focos Occidente and the PDI's Brigada de Investigación Criminal. In the early hours of Thursday 11 May 2023 it led to 30 search warrants across Maipú, Pudahuel, Cerro Navia and other comunas. There were 17 detentions, ten linked to “encerronas” (robbery with intimidation or violence) whose perpetrators posted their robberies on TikTok. The release says they were identified through the software Fiscal Heredia (Herramienta para el Estudio del Delito Usando Inteligencia Artificial). It is an AI model developed by several universities and incorporated into the Ministerio Público in March 2023. It proposes probable participants from prosecution and police records for prosecutors and police to work up. The Noveno Juzgado de Garantía accredited the eight robberies. Four adults went to preventive detention and four adolescents remained in provisional internment. T13 quotes Fiscal Nacional Ángel Valencia saying the algorithm accelerates criminal analysis. It reports that after three members were arrested the AI searched their links to raise persons of interest later identified by victims. The OECD AI Incidents Monitor records the case.",
            "replication": {
              "produced_by": [
                "Linked prosecution, prison and police records (SAF, Gendarmería, Carabineros)",
                "A few confirmed arrests seeding a link search",
                "Victim identification to confirm proposed persons of interest"
              ],
              "must_hold": [
                "Suspects must already appear in the records the model draws on",
                "Human verification before charging",
                "Legal basis for cross-agency data linkage"
              ],
              "echoes": []
            }
          }
        },
        "provenance": {
          "kind": "legacy_record",
          "basis": "Preserved from the existing AIBD record; external sources were not rechecked.",
          "record_fields": [
            "account",
            "replication"
          ],
          "source_refs": []
        },
        "review_state": "record_mapped",
        "coverage": "partial"
      }
    },
    "summary": {
      "total": 91,
      "addressed": 91,
      "known": 28,
      "reviewed": 0,
      "record_mapped": 28,
      "not_assessed": 63,
      "complete": false,
      "by_state": {
        "value_present": 28,
        "not_reported": 0,
        "unresolved": 0,
        "not_assessed": 63,
        "not_applicable": 0,
        "withheld": 0,
        "source_unavailable": 0
      }
    }
  }
}
