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 (film series) "Weltanschauung"." Tom Charity of "CNN" said of Walt, "Like other Eastwood heroes before him, Walt sacrifices his independence by accepting that others depend on him." John Serba of "The Grand Rapids Press" said that Walt, who is "bitter, hopelessly cranky," "shares a sense of moral certainty" with Callahan, but that Walt "is infused with the wisdom and weariness" that Callahan does not have. Warner Home Video owns rights to the "Dirty Harry" series. The five films have been remastered for DVD three times — in 1998, 2001 and 2008. They have been packaged in several DVD box sets. The "Dirty