11 mysterious cameras were watching Florida drivers. Officials don’t know who owns them

Florida’s St. Lucie County recently discovered that its residents were being surveilled by mysterious cameras installed in secret and unconnected to any state or local agency. The county found the cameras after it voted to uninstall its own fleet of Flock automated license plate readers, which are used by more than 5,000 law enforcement agencies to track drivers’ movements on roads around the country. When the county took an inventory of the Flock units in operation, it found 14 unpermitte...