can cops scan your license plate
A license plate scanner can capture thousands of tags per hour. A police car parked on the side of the highway can scan virtually every car license plate in sight. The can successfully identify a vehicle in the going in the other direction down the highway at 70mph. Every time an image is captured, it is saved with the time, date, and location by GPS coordinates. So the police now have a record of where your vehicle was spotted at the time of the scan.