Flock Safety is tightening controls on its nationwide license plate reader network after mounting backlash over privacy and documented police misuse. By January 1, law enforcement customers will be required to use automated auditing, tie searches to specific case numbers, and accept a shorter seven-day default retention period. Critics, including the ACLU, argue the changes still leave too much surveillance power in police hands. The Associated Press reports: In an interview, Flock CEO Garrett Langley said many of the product changes will make what were once optional guardrails mandatory for its users to implement by Jan. 1. Among them: All law enforcement customers will have to implement an...