Dirty Harry

When a madman calling himself "the Scorpio Killer" menaces the city, tough-as-nails San Francisco Police Inspector "Dirty" Harry Callahan is assigned to track down and ferret out the crazed psychopath.

About

Crime movie that features Clint Eastwood in the title role as a San Francisco cop hunting down a psychopathic killer. The film's success led to four sequels, beginning with Magnum Force in 1973. 

Trivia

The killer in the film is based off of the real life Zodiac Killer, who commit a series of murders in northern California in the late 1960s and early 1970s.