US District Judge Sara E. Hill ruled on October 1 that a Tulsa County deputy carried out an unconstitutional search when he looked up a driver’s plate in automated plate-reader systems, including Flock. The search returned more than 50 sightings of the car over about a month. The judge called such networks “a type of indiscriminate mass surveillance”.
New to this? Read it in simple words
- A US judge ruled that one police search of plate-camera data was illegal.
- The officer searched without a warrant, only because the car had a California plate.
- The search showed more than 50 sightings of the car in a month.
- Flock says most courts disagree and expects the ruling to be overturned.
- License plate reader
- A camera that reads car number plates and records when and where it saw them.
- Fourth Amendment
- The part of the US Constitution that protects people from unreasonable searches.
- Suppress evidence
- A court order that evidence cannot be used at trial.
What the court decided
The case is United States v. Kyle, a federal criminal case in the Northern District of Oklahoma. The opinion was signed and filed on October 1, 2026.
A deputy saw a car with a California plate on a highway and searched it in two plate-reader systems, Flock and VehicleManager. The court says the plate’s state was his only reason.
The judge found that this was a search under the Fourth Amendment, done without a warrant or probable cause. She granted the defence’s motion, so the evidence found after the search cannot be used.
From the court’s opinion in United States v. Kyle, filed October 1, 2026.
The judge’s words
The search gave the deputy “more than 50 individual records” of the driver’s whereabouts across the country for an entire month, the opinion says.
“This is a type of indiscriminate mass surveillance,” Judge Hill wrote. “It is not too much to draw the line at indiscriminate mass surveillance.”
The court also suppressed the evidence on a second, separate ground: it found the deputy had kept the traffic stop going without reasonable suspicion.
What Flock says, and what comes next
Flock told 404 Media the ruling “goes against the overwhelming weight of authority” and that it expects the decision to be appealed and overturned. That is the company’s view.
Other courts have reached different results on plate readers, which is the point Flock makes. No appeal of this ruling had been reported when we checked.
Law Commentary reports that the driver faces a federal drug charge. The ruling does not decide whether she is guilty.
Sources
Every fact in this story comes from the sources below. Open them to check our work.
- 1Primary source · October 1, 2026United States v. Kyle, No. 4:26-cr-00189-SEH, Opinion and Order (via CourtListener) US District Court, N.D. Oklahoma
- 2Research · October 2, 2026Federal Judge Rules a Flock Search Was ‘Indiscriminate Mass Surveillance’ and Unconstitutional 404 Media
- 3Research · October 1, 2026Federal Judge Rules Flock License Plate Search Unconstitutional After Cop Followed Woman Over California Plate Law Commentary
- 4Research · October 2, 2026A police search using Flock was a form of ‘mass surveillance,’ judge rules The Washington Post
We read the court’s 38-page opinion and compared 404 Media and Law Commentary. The Washington Post blocked our reader, so we cite only its headline. Flock’s statement comes from 404 Media and Law Commentary. Some headlines say Flock itself was ruled unconstitutional; the court ruled on one deputy’s search of two plate-reader systems, so we say that.