{"schema_version":"behind-the-shield-evidence-1.0","type":"source","id":"src-mjpd-guardian-shield-page","canonical_url":"https://behindtheshieldmj.org/sources.php?id=src-mjpd-guardian-shield-page","machine_url":"https://behindtheshieldmj.org/api/source.php?id=src-mjpd-guardian-shield-page","source":{"id":"src-mjpd-guardian-shield-page","title":"Guardian Shield License Plate Reader Program","type":"official_webpage","publisher":"Mt. Juliet Police Department","issuing_authority":null,"canonical_url":"https://www.mtjuliet-tn.gov/1561/Guardian-Shield-License-Plate-Reader-Pro","description":"Official public program page, safeguards, claims, and location listing."},"versions":[{"id":"srcver-mjpd-guardian-shield-page-retrieved-2026-08-24","source_id":"src-mjpd-guardian-shield-page","version_label":"Observed 2026-08-24","identity_basis":"documented_observation","temporal_status":"current","original_url":"https://www.mtjuliet-tn.gov/1561/Guardian-Shield-License-Plate-Reader-Pro","publication_date":null,"effective_from":null,"effective_to":null,"event_date":null,"adopted_at":null,"retrieved_at":"2026-08-24","supersedes_version_id":null,"superseded_by_version_id":null,"capture_status":"metadata_only_unarchived","note":"The legacy claim record documents a review on 2026-08-24. No archived copy or content hash is available.","claims":[{"claim":{"id":"claim-001","claim_text":"Images not used for an investigation are generally retained no more than 7 days.","subject":"mjpd_alpr_non_investigative_images","predicate":"retention_period","value":7,"unit":"days","scope":"Official Guardian Shield webpage statement; images not used for an investigation","assessment":"unverified","temporal_status":"current","effective_from":null,"effective_to":null,"last_reviewed_at":"2026-08-24"},"evidence":{"id":"evlink-claim-001-guardian-page","relationship":"supports","basis":"official_statement","locator":null,"note":"The documented 2026-08-24 webpage observation is the source of the seven-day statement; it does not verify the active vendor configuration.","temporal_applicability":{"from":null,"to":null,"as_of":"2026-08-24"}}},{"claim":{"id":"claim-002","claim_text":"Every search is logged and subject to supervisory review and regular audits.","subject":"mjpd_alpr_searches","predicate":"logging_and_audit_requirement","value":true,"unit":null,"scope":"Official Guardian Shield webpage statement","assessment":"unverified","temporal_status":"current","effective_from":null,"effective_to":null,"last_reviewed_at":"2026-08-06"},"evidence":{"id":"evlink-claim-002-guardian-page","relationship":"supports","basis":"official_statement","locator":null,"note":"Supports the existence of the official logging and audit statement, not operational compliance.","temporal_applicability":{"from":null,"to":null,"as_of":"2026-08-24"}}},{"claim":{"id":"claim-003","claim_text":"Only trained and authorized personnel may access the ALPR system.","subject":"mjpd_alpr_system_access","predicate":"limited_to_trained_authorized_personnel","value":true,"unit":null,"scope":"Official Guardian Shield webpage statement","assessment":"unverified","temporal_status":"current","effective_from":null,"effective_to":null,"last_reviewed_at":"2026-08-06"},"evidence":{"id":"evlink-claim-003-guardian-page","relationship":"supports","basis":"official_statement","locator":null,"note":"Supports the existence of the official access-control statement, not operational compliance.","temporal_applicability":{"from":null,"to":null,"as_of":"2026-08-24"}}},{"claim":{"id":"claim-004","claim_text":"Guardian Shield does not track people.","subject":"guardian_shield","predicate":"tracks_people","value":false,"unit":null,"scope":"Official Guardian Shield ALPR explanation; broader contracted video capabilities are outside the statement's demonstrated scope","assessment":"unverified","temporal_status":"current","effective_from":null,"effective_to":null,"last_reviewed_at":"2026-08-07"},"evidence":{"id":"evlink-claim-004-guardian-page","relationship":"supports","basis":"official_statement","locator":null,"note":"Supports that MJPD made the statement in the ALPR-focused Guardian Shield explanation.","temporal_applicability":{"from":null,"to":null,"as_of":"2026-08-24"}}},{"claim":{"id":"claim-005","claim_text":"Information is shared only with authorized government agencies for legitimate law-enforcement purposes and required documentation.","subject":"mjpd_alpr_information","predicate":"sharing_limited_to_authorized_government_agencies_for_documented_law_enforcement_purposes","value":true,"unit":null,"scope":"Official Guardian Shield webpage statement","assessment":"unverified","temporal_status":"current","effective_from":null,"effective_to":null,"last_reviewed_at":"2026-08-06"},"evidence":{"id":"evlink-claim-005-guardian-page","relationship":"supports","basis":"official_statement","locator":null,"note":"Supports the existence of the official sharing statement, not actual sharing activity or configuration.","temporal_applicability":{"from":null,"to":null,"as_of":"2026-08-24"}}},{"claim":{"id":"claim-006","claim_text":"Officers must have a documented investigative reason and, when required, reasonable suspicion to search the system.","subject":"mjpd_alpr_queries","predicate":"requires_documented_investigative_reason_and_applicable_reasonable_suspicion","value":true,"unit":null,"scope":"Official Guardian Shield webpage statement","assessment":"unverified","temporal_status":"current","effective_from":null,"effective_to":null,"last_reviewed_at":"2026-08-06"},"evidence":{"id":"evlink-claim-006-guardian-page","relationship":"supports","basis":"official_statement","locator":null,"note":"Supports the existence of the official query-justification statement, not operational compliance.","temporal_applicability":{"from":null,"to":null,"as_of":"2026-08-24"}}},{"claim":{"id":"claim-007","claim_text":"The public can determine which city video cameras have automated person detection, tracking or AI search enabled.","subject":"public_information_about_mjpd_video_ai_configuration","predicate":"identifies_camera_level_person_detection_tracking_or_ai_search_enablement","value":true,"unit":null,"scope":"Public Mt. Juliet materials reviewed through 2026-08-07","assessment":"unresolved","temporal_status":"current","effective_from":null,"effective_to":null,"last_reviewed_at":"2026-09-23"},"evidence":{"id":"evlink-claim-007-guardian-page","relationship":"does_not_establish","basis":"official_statement","locator":null,"note":"The reviewed page does not provide camera/feed-level AI enablement details.","temporal_applicability":{"from":null,"to":null,"as_of":"2026-08-24"}}},{"claim":{"id":"claim-mjpd-alpr-current-configured-retention","claim_text":"The currently active MJPD ALPR retention configuration is not established by the reviewed public statements, written policy, ordinance, contract language, or vendor recommendation.","subject":"mjpd_alpr_system_current_configuration","predicate":"configured_retention_period","value":"unknown","unit":null,"scope":"Actual active vendor or system configuration as of the latest review","assessment":"unresolved","temporal_status":"unknown","effective_from":null,"effective_to":null,"last_reviewed_at":"2026-09-23"},"evidence":{"id":"evlink-current-config-guardian-page","relationship":"does_not_establish","basis":"official_statement","locator":null,"note":"A public statement of a retention period does not establish the active vendor configuration.","temporal_applicability":{"from":null,"to":null,"as_of":"2026-08-24"}}}]}],"source_claims":[],"related_legacy_context":[],"domain_contexts":[{"basis":"confirmed_local_deployment","relationship":"supports","fields":["deployment_status","confirmed_quantity","what_it_does"],"claim_ids":[],"version_ids":["srcver-mjpd-guardian-shield-page-retrieved-2026-08-24"],"note":"","record_count":1},{"basis":"official_statement","relationship":"contextualizes","fields":["third_party_integration","outside_agency_capability","actual_sharing_status"],"claim_ids":[],"version_ids":["srcver-mjpd-guardian-shield-page-retrieved-2026-08-24"],"note":"Published capability and sharing rules do not establish query volume or current account configuration.","record_count":1},{"basis":"official_statement","relationship":"does_not_establish","fields":["local_ai_status","actual_sharing_status"],"claim_ids":["claim-007"],"version_ids":["srcver-mjpd-guardian-shield-page-retrieved-2026-08-24"],"note":"The local public page does not disclose camera-level AI configuration.","record_count":1},{"basis":"official_statement","relationship":"does_not_establish","fields":["local_ai_status","actual_sharing_status"],"claim_ids":["claim-007"],"version_ids":["srcver-mjpd-guardian-shield-page-retrieved-2026-08-24"],"note":"The local public page does not identify enabled feeds, users, searches, or sharing settings.","record_count":1},{"basis":"official_statement","relationship":"supports","fields":["deployment_status","what_it_does","actual_sharing_status"],"claim_ids":[],"version_ids":["srcver-mjpd-guardian-shield-page-retrieved-2026-08-24"],"note":"","record_count":1}]}