Warrantless Nationwide Searches of Flock License Plate Cameras Violate Fourth Amendment Privacy Expectations
Source: Dan Lennington. "CA Cops Are Using Flock Cameras To Spy On A Small WI Village." September 15, 2026. thefederalist.com
The Gist
The author argues that police departments across the country are using a small Wisconsin village's traffic cameras to run over a million surveillance searches a month, often for trivial or vague reasons, with almost no oversight. Because this camera network can track people's movements over time just like phone location data (which now requires a warrant to access), the author argues police should need a warrant before searching Flock's camera database too.
Conclusion
Police should be required to obtain a warrant before searching the Flock camera surveillance network, just as they must for other location-tracking technologies.
Premises
- Flock cameras capture far more than license plates, including vehicle 'fingerprints,' pedestrians, backyards, and vehicle interiors, and can track a person's movements over the past 30 days and even predict future movements.
- A small village like Elm Grove has its six cameras searched over a million times a month, overwhelmingly by outside agencies (like California Highway Patrol and the FBI) rather than local police, due to a reciprocal nationwide search network.
- Many of these nationwide searches are for vague reasons ('other,' 'investigation,' 'not applicable') or trivial matters (a stolen lawn mower, homemade fireworks, funeral attendance), indicating little oversight or proportionality.
- Most department policies allow searches merely for broad 'official use' or 'law enforcement purposes' without meaningful guardrails against abuse.
- In June 2026, the Supreme Court ruled that police access to Google Location History constitutes a Fourth Amendment 'search' requiring a warrant, establishing that Americans have a reasonable expectation of privacy in their physical movements even when recorded by private companies.
- Flock's surveillance capability is more powerful, precise, and thorough than other location-tracking technologies (like cell-site data or GPS tracking) that already require warrants.
Assumptions
- The legal reasoning applied to Google Location History searches logically extends to Flock's camera network data.
- Aggregated, searchable location-history databases created by combining many individual camera feeds constitute a qualitatively different privacy intrusion than isolated public observation.
- Current department policies and oversight mechanisms are insufficient to prevent misuse of the nationwide search capability.
- The volume and vagueness of search reasons in the audit logs reflect actual overreach rather than legitimate but poorly documented investigative work.
- A warrant requirement would meaningfully reduce misuse without unduly hampering legitimate law enforcement investigations.