In the fading atmosphere of the New Hollywood era, William Friedkin - the wunderkind director with an Academy Award for his cop drama, The French Connection (1971) who then scored an even bigger success with The Exorcist (1973) - began work on what would prove to be the most controversial film of his career: Cruising (1980). In the process he established a template for a sub-genre, the serial killer thriller, that would thrive long after his film...