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Missing, a 1982 political thriller directed by Costa-Gavras, earned him the prestigious Palme d'Or at the Cannes Film Festival. The film, based on a true story, follows the investigation into the disappearance of a U.S. journalist in Chile during the Pinochet dictatorship. Costa-Gavras's powerful depiction of the political turmoil and human rights abuses in Chile resonated with the jury, leading to the film's recognition as the best of the festival.