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) on whenever the need arose". Manohla Dargis compared Eastwood's presence on film to "Dirty Harry" and the" Man with No Name", stating, "Dirty Harry is back, in a way, in "Gran Torino", not as a character but as a ghostly presence. He hovers in the film, in its themes and high-caliber imagery, and of course, most obviously in Mr. Eastwood’s face. It is a monumental face now, so puckered and pleated that it no longer looks merely weathered, as it has for decades, but seems closer to petrified wood." Tania Modleski, author of "Clint Eastwood and Male Weepies", said, "[f]or