A new federal proposal introduced on October 2 has pushed Flock Safety’s automatic license-plate reader network into the center of the U.S. privacy debate. The proposed Ban Flock Act would restrict federal use of automatic license-plate readers and would tie some federal funding to whether state and local governments use the technology.
The bill is not law. It is a legislative proposal, and its final text, committee path and prospects may change. What is already clear is that the underlying technology is widespread enough to raise practical questions for drivers: what these cameras capture, how searches work, how long records are retained, who can access them and what safeguards exist when a plate is misread or a search is misused.
What are Flock cameras?
Flock Safety sells automatic license-plate reader systems, often shortened to ALPR. These cameras are generally installed near roads, parking areas or other public-facing locations. They capture vehicle images and use software to read license plates and identify vehicle characteristics.
Flock’s own policy says the system is designed around license plates and vehicles rather than facial recognition. Police agencies can use plate searches after a crime or receive alerts when a vehicle matches a hotlist, such as a stolen-car record or an AMBER Alert. Individual agencies decide how their deployments are configured and how data is shared within the limits of law, contract and policy.
What does the Ban Flock Act propose?
The proposal announced by Senators Bernie Sanders and Jeff Merkley and Representative Alexandria Ocasio-Cortez would prohibit federal agencies from using or accessing automatic license-plate reader data covered by the bill. It would also seek to restrict certain federal funding to state and local governments that continue to use the technology.
Supporters of the bill frame the issue as one of privacy and the possibility of building a detailed record of where people drive. Law-enforcement supporters of ALPR technology argue that plate readers can help locate stolen vehicles, wanted suspects and missing people. Those are competing policy arguments; the legislation has not resolved them.
Why is this happening now?
The Senate Judiciary Subcommittee on Crime and Counterterrorism held a hearing on September 23 titled “Always Watching: Flock’s Nationwide AI Surveillance Network.” Witnesses included a wrongfully accused driver, a county sheriff, a cybersecurity engineer, an Institute for Justice attorney and an ACLU policy lawyer.
The hearing focused on the balance between public safety, privacy, data sharing, search accountability and the consequences of errors. The timing matters because Flock’s network has expanded quickly and several communities have recently reviewed, restricted or ended deployments.
How long is license-plate data kept?
There is no single retention period for every Flock customer. Flock’s current license-plate reader policy says data is hard-deleted on a rolling seven-day basis by default, while also noting that retention can be increased or decreased when a customer’s law or policy requires a different schedule.
Public transparency portals show that individual agencies can use different retention periods. Some report 30 days, while others use shorter periods. That means a driver cannot assume that every camera in every city follows one nationwide retention setting.
Can a plate reader make a mistake?
Yes. Flock states that low-confidence reads are not sent to users and says plate translations should be verified before action. Its policy also acknowledges that a plate translation can be incomplete or inaccurate.
This matters because ALPR systems do not make arrests; people act on alerts. A false or incomplete read can become more serious if an officer treats a computer match as proof rather than as one piece of information requiring human verification.
Does Flock use facial recognition?
Flock’s public policy and agency transparency portals state that its license-plate reader product detects plates and vehicles and does not use facial recognition in that product. That does not mean the system collects no personal data. A plate linked to time and location can still become sensitive when combined with other records.
Privacy concerns therefore focus less on a camera identifying a face and more on the scale, searchability, retention and sharing of vehicle-location information.
Who can search the data?
Access depends on the agency and deployment. Flock says users must provide a valid reason for searches and that access can be audited. Agency transparency portals also show whether an organization shares data with other agencies and what hotlists it uses.
The practical question for residents is local: which agency operates the cameras in your city, what its written policy says, how long it keeps records, what agencies it shares with and how searches are audited.
What does Flock say about privacy safeguards?
The company says it has tightened search controls, retention options, audit tools and state-specific compliance features. Flock also says its system is not intended for personal use, harassment, intimidation or use based solely on protected characteristics.
Critics argue that technical controls and written policies cannot by themselves eliminate misuse across a large network. The Senate hearing highlighted cases and allegations involving improper searches and concerns about cross-agency access. Flock’s position is that customers control access and that auditability allows misuse to be identified.
Can you find out whether cameras are used where you live?
Some agencies publish Flock transparency portals showing camera counts, retention settings, search volumes, hotlists and data-sharing relationships. Local police departments or city governments may also publish ALPR policies, contracts or council materials.
If information is not public, state open-records laws may provide a route to request policies, contracts or audit information, although exemptions vary. Camera locations themselves may not always be disclosed.
What should drivers understand right now?
- The Ban Flock Act is a proposal, not an enacted nationwide ban.
- ALPR systems capture vehicle and plate information tied to time and place.
- Retention periods and sharing rules can vary by agency.
- Flock says plate alerts and searches require human verification and valid purposes.
- Privacy concerns focus on network scale, searchability, retention and sharing.
- Law-enforcement agencies argue the technology can help solve crimes and locate vehicles or people.
What happens next?
The proposal would have to move through the legislative process before becoming law. Committee action, amendments, votes and the positions of other lawmakers could change its scope. Separate state and local rules may also continue to evolve regardless of what happens in Congress.
For consumers, the bigger trend is already visible: automatic license-plate readers are moving from a specialized police tool into a national debate about how much location data government and private technology providers should be able to collect and search.
Sources: U.S. Senate announcement of the Ban Flock Act, Senate Judiciary hearing on Flock, and Flock Safety license-plate reader policy. More digital-privacy explainers are in Technology.







