Dirty Harry (character) AMP AutoMag built specifically for that film. In "Dirty Harry", he used a Winchester Model 70 bolt-action rifle in .458 Winchester Magnum for the night gunfight with the Scorpio Killer and used a switchblade during his second encounter with Scorpio. Harry also uses a Colt Python revolver to obtain ballistics evidence in "Magnum Force". Other weapons Callahan uses initially in the final climax of other films include a bomb, an M72 LAW rocket launcher and a harpoon gun. In "Dirty Harry" the San Francisco police chief comments on Callahan's fondness for overkill observing that he "likes an edge"; Callahan responds
William M. Callaghan the Maritime Transportation Research Board under the National Academy of Sciences. He would later have a transport ship named after him: the . Late in life, Callaghan resided in Chevy Chase, Maryland. Following a stroke, he died on July 8, 1991, at Bethesda Naval Hospital. His first wife, Helen Brunett Callaghan (1896–1970), and second wife, Martha Rawlins Callaghan (1905–1973), predeceased him. He was survived by his third wife, Sarah Duerson Callaghan (1914–2011), and two children, William M. Callaghan Jr. (a retired US Navy rear admiral) and Jane Callaghan Gude (c. 1925–2008), as well as eight grandchildren. Callaghan's grandchildren include William