Flock’s nationwide network is quickly “approaching dragnet-type law enforcement practice” and the cop should have got a warrant, the judge wrote.

A federal judge in Oklahoma ruled Thursday that a police officer violated the Fourth Amendment rights of a woman accused of meth trafficking when he searched her license plate in Flock’s automated license plate reader system simply because her license plate was from California, then used her travel history as part of the reason to search her car.

The judge’s opinion is one of the first times a federal judge has decided Flock searches can be unconstitutional, and suggested that Flock’s network is “a type of indiscriminate mass surveillance.”