License-Plate Readers Let Police Collect Millions of Records on Drivers

"At a rapid pace, and mostly hidden from the public, police agencies throughout California have been collecting millions of records on drivers and feeding them to intelligence fusion centers operated by local, state and federal law enforcement. With heightened concern over secret intelligence operations at the National Security Agency, the localized effort to track drivers highlights the extent to which the government has committed to collecting large amounts of data on people who have done nothing wrong."