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) Harry" films made their high-definition debuts with the 2008 Blu-ray discs. Warner's marketing plan calls for only "The Dead Pool" film to be available as a separate Blu-ray, requiring fans who want the other four movies in high definition to buy the box set. In 2010 all five movies were released as a Blu-ray box set, "Clint Eastwood Dirty Harry Collection". In the early 1980s, Warner Books published twelve books, authored under the pseudonym Dane Hartman, that further the adventures of Dirty Harry. The novels were later translated into French in the 1990s, as the "Collection Supercops". "" is a