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: It was adapted from Pascale Froment’s book Je te tue. Histoire vraie de Roberto Succo , ensuring a high level of factual accuracy regarding Succo's crimes across France, Italy, and Switzerland.

The 2001 film , directed by Cédric Kahn , is a chilling crime drama based on the real-life spree of Italian serial killer Roberto Succo. The "Non-Professional" Lead

: His natural Italian accent and unpolished performance contributed to the film’s "fly-on-the-wall" documentary feel.

: Reviewers noted his ability to combine a sense of "certainty and stupidity" that made the character feel genuinely unpredictable and dangerous. Technical Highlights

One of the film's most striking features is the casting of in the title role. At the time, Cassetti was a non-professional actor with no prior film experience. Director Cédric Kahn chose him specifically for his: