Dirty Harry "Rawhide", was responsible for creating Callahan's distinctive old-fashioned brown and yellow checked jacket to emphasize his strong values in pursuing crime. Filming for "Dirty Harry" began in April 1971 and involved some risky stunts, with much footage shot at night and filming the city of San Francisco aerially, a technique for which the film series is renowned. Eastwood performed the stunt in which he jumps onto the roof of the hijacked school bus from a bridge, without a stunt double. His face is clearly visible throughout the shot. Eastwood also directed the suicide-jumper scene. The line, "My, that's a big
Dirty Harry (character) shot, while Fanducci is dead (in "The Enforcer", reference is made to the fact that Fanducci was killed in 1968). His partner in "Dirty Harry", Chico Gonzalez, is shot by Scorpio and though he survives, he decides to quit the police (in "Magnum Force", Harry remarks that Gonzalez became a college teacher after leaving the police force). His partner in "Magnum Force", Earlington "Early" Smith is killed by a bomb planted in his mailbox. Kate Moore in "The Enforcer" is killed by terrorists while saving Callahan's life. She had previously cited to Harry Fanducci and Smith's names, to demonstrate that