Flock sells its services as a crime-fighting tool, built on a network of cameras that record and analyze everything that passes by them. Law enforcement agencies that have contracts with Flock use its troves of observed license plate numbers and other vehicle data to track or reconstruct the movements of vehicles in criminal investigations.In recent weeks and months, though, another kind of network has taken shape: a coast-to-coast pattern of opposition to the company. https://t.co/YYiHQGaMga ...