By Ronald Dwyer
The rapid expansion of Flock Safety's automated license plate reader (ALPR) cameras has transformed modern policing across America. Marketed as a crime-fighting tool capable of locating stolen vehicles, identifying suspects and helping solve violent crimes, the technology has been embraced by thousands of law enforcement agencies nationwide.
But as Flock's footprint has expanded, so have allegations of abuse.
Over the past several years, officers have been accused of using the system to stalk former partners, track coworkers, monitor people for personal reasons, conduct unauthorized searches and potentially circumvent constitutional privacy protections. Civil liberties groups argue that while the technology can be effective, its misuse demonstrates the dangers of creating a nationwide surveillance network with insufficient oversight.
The latest controversy comes from South Carolina.
Two Greer Officers Fired
The City of Greer, South Carolina, announced that two police officers were terminated after an internal audit found they violated department policy governing the use of Flock Safety cameras.
According to city officials, the department's policy limits use of the automated license plate reader system strictly to legitimate public safety purposes. Officials stated the officers violated those rules, resulting in their termination. While the city has not publicly detailed every search that led to the discipline, officials emphasized that misuse of the system would not be tolerated.
The case has reignited questions about whether internal policies alone are enough to prevent abuse.
Texas: Officer Accused of Stalking Using Flock
In Pasadena, Texas, a police sergeant resigned while under investigation after allegations that he repeatedly used Flock cameras to monitor and stalk a female coworker.
According to reports, investigators alleged the officer improperly searched the woman's vehicle movements using the ALPR system.
The incident prompted criticism from local officials, who questioned why criminal charges had not been pursued despite the seriousness of the allegations.
Wrongful Arrests and False Reads
Privacy advocates have also raised concerns about the technology's accuracy.
Independent testing has suggested some automated license plate reader systems can misread characters under certain conditions, potentially resulting in innocent motorists being stopped or arrested. Several jurisdictions have reported incidents where mistaken license plate matches led to high-risk police encounters before officers realized the vehicle was not actually connected to a crime.
While Flock Safety says its technology is designed to assist investigations—not replace officer judgment—critics argue officers sometimes place too much confidence in automated alerts.
Communities Walking Away
Several cities have decided the privacy concerns outweigh the benefits.
The Los Angeles Police Department recently allowed its Flock contract to expire after concerns involving civil liberties, data ownership and information sharing.
Other jurisdictions in California, Ohio, Arizona, North Carolina and elsewhere have either ended or reconsidered their contracts following controversies involving privacy, data sharing and unauthorized camera installations.
Killingworth, Connecticut, also voted to remove its cameras after residents questioned the value of the program and expressed concern over reports that license plate data had been accessed for immigration enforcement.
Constitutional Questions Continue
Legal challenges continue to emerge.
A Virginia judge ruled in 2024 that warrantless long-term collection of location data through a city's Flock camera network constituted a search under the Fourth Amendment in that case, preventing prosecutors from using the evidence. The decision has become one of the most significant legal opinions involving automated license plate readers and has fueled additional constitutional challenges nationwide.
Civil liberties organizations argue that recording millions of innocent motorists' movements creates a searchable historical database that can reveal where individuals worship, seek medical treatment, attend political rallies or visit family members.
Supporters counter that the cameras photograph vehicles traveling on public roads, where there is generally a reduced expectation of privacy, and note that many agencies limit data retention and maintain audit logs.
Immigration and Data-Sharing Concerns
The debate expanded beyond local policing after reports that license plate data from some Flock systems had been used in immigration investigations, prompting criticism from local governments that said they had not intended for their data to be accessed in that manner.
The controversy led to policy changes in several jurisdictions and increased scrutiny over how information is shared between agencies.
A Pattern of Misuse
The Greer and Pasadena cases are not isolated incidents. Across the country, officers have faced discipline for improperly accessing law enforcement databases, including automated license plate reader systems, to gather information for personal reasons. Audits have revealed that while most searches are tied to legitimate investigations, a small number of unauthorized queries can significantly undermine public confidence in the technology.
Privacy advocates argue that because ALPR systems create a historical record of a vehicle's movements, misuse can reveal intimate details about a person's life, including visits to doctors, places of worship, political events and family members. They contend that this makes strong oversight, mandatory auditing and criminal penalties for intentional abuse essential.
The Surveillance Debate
Supporters point to significant successes.
Police agencies around the country credit Flock cameras with recovering stolen vehicles, identifying suspects in shootings, locating missing persons and generating investigative leads that might otherwise have been impossible.
Critics, however, argue that every successful case must be weighed against the creation of a massive surveillance infrastructure capable of tracking the daily movements of millions of law-abiding Americans.
The firing of officers in Greer and the resignation of an officer in Texas illustrate a central concern raised by privacy advocates: the greatest threat may not be the technology itself, but the potential for human misuse.
As more departments install AI-assisted surveillance systems, the national conversation is shifting away from whether the technology works and toward who should control it, how long data should be stored, what independent oversight should exist and what penalties should apply when officers misuse their access.
The Greer case serves as another reminder that while automated license plate readers can be powerful investigative tools, they also require strong safeguards, meaningful audits and accountability to maintain public trust.






