Kojak

After a serial killer imitates the plots of his novels, successful mystery novelist Richard "Rick" Castle receives permission from the Mayor of New York City to tag along with an NYPD homicide investigation team for research purposes.

Police Detective Sgt. Joe Friday and his partners investigate crimes in Los Angeles.

Baretta is an American detective television series which ran on ABC from 1975 to 1978. The show was a milder version of a successful 1973–74 ABC series, Toma, starring Tony Musante as chameleon-like, real-life New Jersey police officer David Toma. While popular, Toma received intense criticism at the time for its realistic and frequent depiction of police and criminal violence. When Musante left the series after a single season, the concept was retooled as Baretta, with Robert Blake in the title role.

A sharp detective with a messy life, DCI Vera Stanhope patrols her “patch” of northeast England, pursuing the truth in cases of murder, kidnapping, and blackmail. Vera is obsessive about her work and faces the world with caustic wit, guile and courage.