Behind the Shield MJ logo
INDEPENDENT CIVIC TRANSPARENCY • MOUNT JULIET, TENNESSEE

Behind the Shield MJ

Guardian Shield Transparency Project
Official webpage

Guardian Shield License Plate Reader Program

Publisher: Mt. Juliet Police Department

Official public program page, safeguards, claims, and location listing.

1 versionOpen original source

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VERSION HISTORY

Versions

Current, historical and superseded labels apply to individual records, not to the source as a whole.

  1. Current

    Observed 2026-08-24

    Open this version
    Observed

    The legacy claim record documents a review on 2026-08-24. No archived copy or content hash is available.

    Source metadata preserved. The original source remains external; an archived copy is not currently published by this site.

PUBLIC EVIDENCE

What this source shows

Evidence relationships describe provenance and what a source establishes or does not establish; they are not truth scores.

What this source supports

SupportsOfficial statement

Images not used for an investigation are generally retained no more than 7 days.

Status: Not independently verified

Claim scope: Official Guardian Shield webpage statement; images not used for an investigation

Claim period: Current

Version: Observed 2026-08-24 · Current

The documented 2026-08-24 webpage observation is the source of the seven-day statement; it does not verify the active vendor configuration.

SupportsOfficial statement

Every search is logged and subject to supervisory review and regular audits.

Status: Not independently verified

Claim scope: Official Guardian Shield webpage statement

Claim period: Current

Version: Observed 2026-08-24 · Current

Supports the existence of the official logging and audit statement, not operational compliance.

SupportsOfficial statement

Only trained and authorized personnel may access the ALPR system.

Status: Not independently verified

Claim scope: Official Guardian Shield webpage statement

Claim period: Current

Version: Observed 2026-08-24 · Current

Supports the existence of the official access-control statement, not operational compliance.

SupportsOfficial statement

Guardian Shield does not track people.

Status: Not independently verified

Claim scope: Official Guardian Shield ALPR explanation; broader contracted video capabilities are outside the statement's demonstrated scope

Claim period: Current

Version: Observed 2026-08-24 · Current

Supports that MJPD made the statement in the ALPR-focused Guardian Shield explanation.

SupportsOfficial statement

Information is shared only with authorized government agencies for legitimate law-enforcement purposes and required documentation.

Status: Not independently verified

Claim scope: Official Guardian Shield webpage statement

Claim period: Current

Version: Observed 2026-08-24 · Current

Supports the existence of the official sharing statement, not actual sharing activity or configuration.

SupportsOfficial statement

Officers must have a documented investigative reason and, when required, reasonable suspicion to search the system.

Status: Not independently verified

Claim scope: Official Guardian Shield webpage statement

Claim period: Current

Version: Observed 2026-08-24 · Current

Supports the existence of the official query-justification statement, not operational compliance.

SupportsConfirmed local deployment

Local deployment or program status, publicly identified scope, described function

Version: Observed 2026-08-24

Used in 1 public record.

SupportsOfficial statement

Local deployment or program status, described function, local sharing status

Version: Observed 2026-08-24

Used in 1 public record.

What this source does not establish

Does not establish this on its ownOfficial statement

The public can determine which city video cameras have automated person detection, tracking or AI search enabled.

Status: Unresolved from reviewed records

Claim scope: Public Mt. Juliet materials reviewed through 2026-08-07

Claim period: Current

Version: Observed 2026-08-24 · Current

The reviewed page does not provide camera/feed-level AI enablement details.

Does not establish this on its ownOfficial statement

The currently active MJPD ALPR retention configuration is not established by the reviewed public statements, written policy, ordinance, contract language, or vendor recommendation.

Status: Unresolved from reviewed records

Claim scope: Actual active vendor or system configuration as of the latest review

Claim period: Unknown

Version: Observed 2026-08-24 · Current

A public statement of a retention period does not establish the active vendor configuration.

Does not establish this on its ownOfficial statement

Local activation or configuration, local sharing status

The public can determine which city video cameras have automated person detection, tracking or AI search enabled.

Version: Observed 2026-08-24

The local public page does not identify enabled feeds, users, searches, or sharing settings.

The local public page does not disclose camera-level AI configuration.

Used in 2 public records.

Context

Context onlyOfficial statement

Third-party integration, outside-agency capability, local sharing status

Version: Observed 2026-08-24

Published capability and sharing rules do not establish query volume or current account configuration.

Used in 1 public record.

RELATED CHRONOLOGY

Events that reference this source

These are event dates, not automatically publication or effective dates for the source.

  1. Public location list has grown from 37 proposed entries to 73 active entries

    The current Guardian Shield page lists 73 active ALPR location/direction entries, compared with 37 proposed locations in November 2019.