Investigation of a Citizen Above Suspicion (1970)

Investigation of a Citizen Above Suspicion is a 1970 Italian film crime drama directed by Elio Petri. It is a dramatic, psychological, black-humoured satire on corruption in high office, telling the story of a top police officer, played by Gian Maria Volonté, who kills his mistress, played by Florinda Bolkan, and then tests whether the police would charge him for this crime. During the movie, he is seen planting obvious clues while the other police officers ignore them, either intentionally or not.

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