Police trap is a term used to describe a law enforcement tactic used to catch criminals. It involves setting up a situation that appears to be a normal part of everyday life, but is actually a trap set by the police. The two crossword solutions for this term are 'STING' and 'DRAGNET'. A STING is a deceptive operation designed to catch a person committing a crime, while a DRAGNET is a coordinated effort to apprehend a large number of suspects at once.