Dirty Harry local and federal police committing offences and overstepping their authority by entrapment and obstruction of justice. Author McGilligan, argued that America needed a hero, a winner at a time when the authorities were losing the battle against crime. The box-office success of "Dirty Harry" led to the production of four sequels. In the 2007 film "Zodiac", also set in San Francisco and inspired by the Zodiac Killer, cartoonist Robert Graysmith approaches police detective Dave Toschi at the cinema, where he is watching "Dirty Harry" with his wife. When Graysmith tells Toschi he is going to catch the Zodiac killer, Toschi
Dirty Harry (film series) avenge herself and her catatonic sister by killing the people who sexually assaulted them. The film is notable for Callahan's catchphrase, "Go ahead, make my day". "The Dead Pool" (1988) was directed by Buddy Van Horn. Harry finds that he is among the subjects of a dead pool, a game betting on deaths of celebrities. Someone tries to rig the game by killing the celebrities on one player's list. After this film, Eastwood retired from playing the "Dirty Harry" character, as he felt his age (58 in 1988) would make Harry a parody. Frank Miller, creator of the "Sin City"