William Caunitz

William J. Caunitz (January 25, 1933 – July 20, 1996) was a New York City Police Department officer who used his own experiences on the police force to write best-selling thrillers. His first novel One Police Plaza was made into a television film starring Robert Conrad. The 1991 feature film Homicide, directed by David Mamet, was adapted from his second book Suspects.