Watched: Keeping tabs on the public Are the police spying on us? Police forces across the United States are stockpiling massive databases with personal information from millions of Americans who crossed paths with officers but were not charged with a crime. A person can end up in one of these databases by doing nothing more than sitting on a public park bench or chatting with an officer on the street. Once there, these records can linger forever and be used by police agencies to track movements, habits, acquaintances and associations – even a person’s marital and job status, The Post...