The term 'Law & Order' EXTRA is a popular American crime drama television series that has been running since 1990. The show follows the work of two police officers, detectives and prosecutors in New York City as they investigate and prosecute crimes. The crossword solution for this term is 'COP', which stands for 'Constable on Patrol'. This is a reference to the police officers featured in the show who are responsible for patrolling the streets and responding to calls for help.