Police procedural
A police procedural is a type of crime story. In a police procedural, the main characters are police officers. The story usually shows how they solve crimes with teamwork, using their specialised knowledge of criminals and the city or other area where they are.
Police procedurals have always been popular on television. Some of the best-known TV shows of this type are Dragnet, Law & Order, Hill Street Blues, NYPD Blue, Criminal Minds and The Shield.