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 earlier encounter, Callahan does have one remaining bullet, with which he kills Scorpio when the latter goes for his gun. Callahan takes out his inspector's badge and throws it into the water before walking away. The script, titled "Dead Right", by the husband-and-wife team of Harry Julian Fink and Rita M. Fink, was originally about a hard-edged New York City police inspector, Harry Callahan, who is determined to stop Travis, a serial killer, even if he has to skirt the law and accepted standards of policing, blurring the distinction between criminal and cop, to address the question as to how