{"id":"AIBD-1142","title":"The Los Angeles Police Commission's Inspector General finds that LAPD's in-car plate readers led to 337 stolen vehicles recovered in two months","summary":"The Los Angeles Police Commission's Inspector General found that LAPD's in-car plate-reader alerts led to 337 stolen vehicles recovered and 74 arrests in August and September 2025.","date_observed":"2025-01-01","date_basis":"event","date_precision":"year","benefit_status":"reported","source_collection":null,"source_entry":null,"account":"The Los Angeles Police Department (LAPD) reads plates through cameras in about 1,500 patrol cars, part of Axon's in-car video system, and through roof, pole and trailer cameras. Scanned plates are checked against Hot Lists of stolen vehicles and vehicles linked to crimes or missing people, and a match raises an alert in the car. The Police Commission's Inspector General reviewed Axon alert data for August and September 2025 in a report dated 10 July 2026. The office removed duplicate alerts and checked arrest stops against body-worn video and reports. It found that alerts led to 337 stolen vehicles recovered without incident, 24 stolen plates recovered and 74 arrests from 68 stops. It also found that officers confirmed 161 alerts as accurate matches for vehicles that turned out not to be stolen. The office links such cases to Hot Lists that are not updated in time. Officers' records were inconsistent and roof-camera outcomes went unrecorded, so the counts are incomplete. The office recommended that LAPD suspend new cameras and contracts until its vendors and data practices are reassessed.","category":"aggregate result","unexpected":false,"purpose":"Axon built the ALPR feature of its in-car video system to read the plates of passing vehicles and alert officers to plates on Hot Lists.","system":"ALPR feature of Axon's Digital In-Car Video (DICV) system (Axon Fleet 3 ALPR) in LAPD's Automated License Plate Reader system","model_version":null,"developer":"Axon Enterprise (in-car ALPR whose alerts the OIG reviewed), with Motorola Solutions and Flock Safety supplying other cameras","deployer":"Los Angeles Police Department (LAPD)","location":"Los Angeles, California, United States","domain":"Policing / stolen vehicle recovery","segment":null,"benefit_type":"Reduced Violence","work_activities":["4.A.1.b.1","4.A.1.a.2"],"taxonomy_note":"The report counts stolen vehicles recovered and arrests, read as action against crime. It does not measure any fall in crime.","registry_ids":{},"ratings":[{"group":"organizational","depth":2,"reason":"The Inspector General found that in-car alerts led officers to 337 stolen vehicles, 24 stolen plates and 74 arrests in two months."},{"group":"personal","depth":null,"reason":"The report counts recovered vehicles and does not say whether or when their owners got them back."},{"group":"societal","depth":null,"reason":"The report does not measure whether the alerts reduced vehicle theft or other crime, and 161 confirmed matches flagged vehicles that were not stolen."}],"ai_role":{"status":"unassessed","statement":"The Inspector General counted the outcomes that officers recorded after in-car alerts and made no comparison with patrols without plate readers. The report says that the software turns each plate photo into searchable data and that letters, numbers or the state can be misread. It does not say how the Axon cameras read plates or whether they learned from data. A Flock agreement in its appendix lets Flock train machine learning algorithms on anonymized city data."},"evidence":[{"kind":"audit report","citation":"Office of the Inspector General, Los Angeles Police Commission. Review of the Los Angeles Police Department's Automatic License Plate Reader System and Use in the Field (BPC #26-184), 10 July 2026. Section IV.D, p. 16. The OIG analyzed Axon in-car alert data for 1 August to 30 September 2025.","title":"Review of the Los Angeles Police Department's Automatic License Plate Reader System and Use in the Field","url":"https://www.lapdpolicecom.lacity.org/071426/BPC_26-184x.pdf","date":"2026-07-10","written_by":"independent","quote":"The OIG found that during the two-month review period, 337 stolen vehicles were recovered without incident."},{"kind":"audit report","citation":"Office of the Inspector General, Los Angeles Police Commission. Review of the Los Angeles Police Department's Automatic License Plate Reader System and Use in the Field (BPC #26-184), 10 July 2026. Section IV.E, p. 16. The OIG checked arrest stops against body-worn video, incident details and reports.","title":"Review of the Los Angeles Police Department's Automatic License Plate Reader System and Use in the Field","url":"https://www.lapdpolicecom.lacity.org/071426/BPC_26-184x.pdf","date":"2026-07-10","written_by":"independent","quote":"The OIG identified 74 arrests resulting from 68 stops generated by Hot List alerts."},{"kind":"audit report","citation":"Office of the Inspector General, Los Angeles Police Commission. Review of the Los Angeles Police Department's Automatic License Plate Reader System and Use in the Field (BPC #26-184), 10 July 2026. Section IV.C, p. 16. Officers confirmed these alerts as accurate plate matches, and the vehicles proved not to be stolen.","title":"Review of the Los Angeles Police Department's Automatic License Plate Reader System and Use in the Field","url":"https://www.lapdpolicecom.lacity.org/071426/BPC_26-184x.pdf","date":"2026-07-10","written_by":"independent","quote":"During the review period, officers acknowledged 161 alerts as accurate license plate matches; however, subsequent investigations determined the vehicles were not stolen.","supports_benefit":false}],"replication":{"produced_by":["The ALPR feature of Axon's in-car video system scanned plates whenever a patrol car was on and compared them with Hot Lists in real time.","Alerts appeared on the car's mobile computer, and policy required officers to try to verify an alert before a stop.","The Inspector General removed duplicate alerts and checked arrest stops against body-worn video and reports."],"must_hold":["Hot Lists must be updated promptly when a vehicle is recovered or is no longer wanted.","Officers must record the action taken after each alert for the outcomes to be counted."],"echoes":[]},"paired_incident":null,"headline":"*Plate reader* alerts led LAPD to 337 stolen vehicles in two months","metric":"337 stolen vehicles recovered","comparator":null,"later":null,"value":null,"developer_country":"United States","deployer_country":"United States","unrated_because":null,"brief_notes":null,"brief":null,"revisions":[{"date":"2026-11-01","change":"Added the record from the finding of the Office of the Inspector General of the Los Angeles Police Commission.","source":"https://www.lapdpolicecom.lacity.org/071426/BPC_26-184x.pdf","editor":"AIBD"}],"confidence":"found","shade":"high","claim_status":"Found by an auditor","claim_basis":"Sources: one independent audit report. 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Review of the Los Angeles Police Department's Automatic License Plate Reader System and Use in the Field (BPC #26-184), 10 July 2026. Section IV.D, p. 16. The OIG analyzed Axon in-car alert data for 1 August to 30 September 2025.","title":"Review of the Los Angeles Police Department's Automatic License Plate Reader System and Use in the Field","url":"https://www.lapdpolicecom.lacity.org/071426/BPC_26-184x.pdf","date":"2026-07-10","written_by":"independent","quote":"The OIG found that during the two-month review period, 337 stolen vehicles were recovered without incident."},{"kind":"audit report","citation":"Office of the Inspector General, Los Angeles Police Commission. Review of the Los Angeles Police Department's Automatic License Plate Reader System and Use in the Field (BPC #26-184), 10 July 2026. Section IV.E, p. 16. The OIG checked arrest stops against body-worn video, incident details and reports.","title":"Review of the Los Angeles Police Department's Automatic License Plate Reader System and Use in the Field","url":"https://www.lapdpolicecom.lacity.org/071426/BPC_26-184x.pdf","date":"2026-07-10","written_by":"independent","quote":"The OIG identified 74 arrests resulting from 68 stops generated by Hot List alerts."},{"kind":"audit report","citation":"Office of the Inspector General, Los Angeles Police Commission. Review of the Los Angeles Police Department's Automatic License Plate Reader System and Use in the Field (BPC #26-184), 10 July 2026. Section IV.C, p. 16. Officers confirmed these alerts as accurate plate matches, and the vehicles proved not to be stolen.","title":"Review of the Los Angeles Police Department's Automatic License Plate Reader System and Use in the Field","url":"https://www.lapdpolicecom.lacity.org/071426/BPC_26-184x.pdf","date":"2026-07-10","written_by":"independent","quote":"During the review period, officers acknowledged 161 alerts as accurate license plate matches; however, subsequent investigations determined the vehicles were not stolen.","supports_benefit":false}]}},"provenance":{"kind":"legacy_record","basis":"Editorial assignment.","record_fields":["evidence"],"source_refs":[]},"review_state":"record_mapped","coverage":"partial"},"sources[].id":{"state":"value_present","value":{"kind":"identifiers","identifiers":["AIBD-1142-source-0001","AIBD-1142-source-0002","AIBD-1142-source-0003"],"role":"Existing evidence items, in their original order"},"provenance":{"kind":"curatorial","basis":"Editorial assignment.","record_fields":[],"source_refs":[]},"review_state":"record_mapped","coverage":"complete"},"sources[].language":{"state":"unresolved","provenance":{"kind":"curatorial","basis":"Editorial assignment.","record_fields":[],"source_refs":[]},"reason":"This is an explicit unresolved assignment: the sources on record do not settle this question.","review_state":"not_assessed","coverage":"partial"},"sources[].relationship":{"state":"value_present","value":{"kind":"record_fields","fields":{"evidence":[{"kind":"audit report","citation":"Office of the Inspector General, Los Angeles Police Commission. 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Officers confirmed these alerts as accurate plate matches, and the vehicles proved not to be stolen.","title":"Review of the Los Angeles Police Department's Automatic License Plate Reader System and Use in the Field","url":"https://www.lapdpolicecom.lacity.org/071426/BPC_26-184x.pdf","date":"2026-07-10","written_by":"independent","quote":"During the review period, officers acknowledged 161 alerts as accurate license plate matches; however, subsequent investigations determined the vehicles were not stolen.","supports_benefit":false}]}},"provenance":{"kind":"legacy_record","basis":"Editorial assignment.","record_fields":["evidence"],"source_refs":[]},"review_state":"record_mapped","coverage":"partial"},"sources[].upstream_sources":{"state":"unresolved","provenance":{"kind":"curatorial","basis":"Editorial assignment.","record_fields":[],"source_refs":[]},"reason":"This is an explicit unresolved assignment: the sources on record do not settle this question.","review_state":"not_assessed","coverage":"partial"},"strategic_assessments[]":{"state":"unresolved","review_state":"not_assessed","coverage":"partial","family":"strategic assessments"},"summary":{"state":"value_present","value":{"kind":"record_fields","fields":{"summary":"The Los Angeles Police Commission's Inspector General found that LAPD's in-car plate-reader alerts led to 337 stolen vehicles recovered and 74 arrests in August and September 2025.","account":"The Los Angeles Police Department (LAPD) reads plates through cameras in about 1,500 patrol cars, part of Axon's in-car video system, and through roof, pole and trailer cameras. Scanned plates are checked against Hot Lists of stolen vehicles and vehicles linked to crimes or missing people, and a match raises an alert in the car. The Police Commission's Inspector General reviewed Axon alert data for August and September 2025 in a report dated 10 July 2026. The office removed duplicate alerts and checked arrest stops against body-worn video and reports. It found that alerts led to 337 stolen vehicles recovered without incident, 24 stolen plates recovered and 74 arrests from 68 stops. It also found that officers confirmed 161 alerts as accurate matches for vehicles that turned out not to be stolen. The office links such cases to Hot Lists that are not updated in time. Officers' records were inconsistent and roof-camera outcomes went unrecorded, so the counts are incomplete. The office recommended that LAPD suspend new cameras and contracts until its vendors and data practices are reassessed."}},"provenance":{"kind":"legacy_record","basis":"Editorial assignment.","record_fields":["summary","account"],"source_refs":[]},"review_state":"record_mapped","coverage":"partial"},"systems[].autonomy_permissions":{"state":"unresolved","provenance":{"kind":"curatorial","basis":"Editorial assignment.","record_fields":[],"source_refs":[]},"reason":"This is an explicit unresolved assignment: the sources on record do not settle this question.","review_state":"not_assessed","coverage":"partial"},"systems[].component_role":{"state":"unresolved","provenance":{"kind":"curatorial","basis":"Editorial assignment.","record_fields":[],"source_refs":[]},"reason":"This is an explicit unresolved assignment: the sources on record do not settle this question.","review_state":"not_assessed","coverage":"partial"},"systems[].deployment_configuration":{"state":"unresolved","provenance":{"kind":"curatorial","basis":"Editorial assignment.","record_fields":[],"source_refs":[]},"reason":"This is an explicit unresolved assignment: the sources on record do not settle this question.","review_state":"not_assessed","coverage":"partial"},"systems[].inputs_outputs":{"state":"unresolved","provenance":{"kind":"curatorial","basis":"Editorial assignment.","record_fields":[],"source_refs":[]},"reason":"This is an explicit unresolved assignment: the sources on record do not settle this question.","review_state":"not_assessed","coverage":"partial"},"systems[].model_name":{"state":"unresolved","provenance":{"kind":"curatorial","basis":"Editorial assignment.","record_fields":[],"source_refs":[]},"reason":"This is an explicit unresolved assignment: the sources on record do not settle this question.","review_state":"not_assessed","coverage":"partial"},"systems[].model_version":{"state":"unresolved","provenance":{"kind":"curatorial","basis":"Editorial assignment.","record_fields":[],"source_refs":[]},"reason":"This is an explicit unresolved assignment: the sources on record do not settle this question.","review_state":"not_assessed","coverage":"partial"},"systems[].product_name":{"state":"value_present","value":{"kind":"record_fields","fields":{"system":"ALPR feature of Axon's Digital In-Car Video (DICV) system (Axon Fleet 3 ALPR) in LAPD's Automated License Plate Reader system"}},"provenance":{"kind":"legacy_record","basis":"Editorial assignment.","record_fields":["system"],"source_refs":[]},"review_state":"record_mapped","coverage":"partial"},"systems[].provider":{"state":"unresolved","provenance":{"kind":"curatorial","basis":"Editorial assignment.","record_fields":[],"source_refs":[]},"reason":"This is an explicit unresolved assignment: the sources on record do not settle this question.","review_state":"not_assessed","coverage":"partial"},"taxonomy_crosswalks[]":{"state":"unresolved","provenance":{"kind":"curatorial","basis":"Editorial assignment.","record_fields":[],"source_refs":[]},"reason":"This is an explicit unresolved assignment: the sources on record do not settle this question.","review_state":"not_assessed","coverage":"partial"},"title":{"state":"value_present","value":{"kind":"record_fields","fields":{"title":"The Los Angeles Police Commission's Inspector General finds that LAPD's in-car plate readers led to 337 stolen vehicles recovered in two months","headline":"*Plate reader* alerts led LAPD to 337 stolen vehicles in two months"}},"provenance":{"kind":"legacy_record","basis":"Editorial assignment.","record_fields":["title","headline"],"source_refs":[]},"review_state":"record_mapped","coverage":"partial"},"version":{"state":"value_present","value":{"kind":"identifiers","identifiers":["b537ab975805d5104b6e575d4cc0a9b7c1ef8af79ddd86c008c63299537273fe"],"role":"SHA-256 of the complete public record and its assessments"},"provenance":{"kind":"curatorial","basis":"SHA-256 of the public record, its assessments, and its displayed answers and notes, excluding its own identifier and the derived coverage summary.","record_fields":[],"source_refs":[]},"review_state":"record_mapped","coverage":"complete"},"workflow":{"state":"value_present","value":{"kind":"record_fields","fields":{"account":"The Los Angeles Police Department (LAPD) reads plates through cameras in about 1,500 patrol cars, part of Axon's in-car video system, and through roof, pole and trailer cameras. Scanned plates are checked against Hot Lists of stolen vehicles and vehicles linked to crimes or missing people, and a match raises an alert in the car. The Police Commission's Inspector General reviewed Axon alert data for August and September 2025 in a report dated 10 July 2026. The office removed duplicate alerts and checked arrest stops against body-worn video and reports. It found that alerts led to 337 stolen vehicles recovered without incident, 24 stolen plates recovered and 74 arrests from 68 stops. It also found that officers confirmed 161 alerts as accurate matches for vehicles that turned out not to be stolen. The office links such cases to Hot Lists that are not updated in time. Officers' records were inconsistent and roof-camera outcomes went unrecorded, so the counts are incomplete. The office recommended that LAPD suspend new cameras and contracts until its vendors and data practices are reassessed.","replication":{"produced_by":["The ALPR feature of Axon's in-car video system scanned plates whenever a patrol car was on and compared them with Hot Lists in real time.","Alerts appeared on the car's mobile computer, and policy required officers to try to verify an alert before a stop.","The Inspector General removed duplicate alerts and checked arrest stops against body-worn video and reports."],"must_hold":["Hot Lists must be updated promptly when a vehicle is recovered or is no longer wanted.","Officers must record the action taken after each alert for the outcomes to be counted."],"echoes":[]}}},"provenance":{"kind":"legacy_record","basis":"Editorial assignment.","record_fields":["account","replication"],"source_refs":[]},"review_state":"record_mapped","coverage":"partial"}},"summary":{"total":91,"addressed":91,"known":28,"reviewed":2,"reviewed_complete":2,"reviewed_partial":0,"record_mapped":26,"review_not_assessed":63,"not_assessed":0,"complete":false,"by_state":{"value_present":28,"not_reported":0,"unresolved":63,"not_assessed":0,"not_applicable":0,"withheld":0,"source_unavailable":0}}},"presentation_version":"5aac5fbc4f0a001ef1804df2648cbf4cad45e7e012bfadace184460845342783"}