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Stream the full World's Most Notorious Killers Season 1 movie online for free in crystal-clear HD quality. No downloads required—just press play and enjoy the action, complete with English subtitles for an enhanced viewing experience.

Peacock's new true crime docuseries World's Most Notorious Killers follows the chilling stories of five shocking international murder investigations of recent times. Each episode will re-examine a different case from some of the most infamous criminals across the globe, and will feature firsthand accounts from former detectives, family members, lawyers, forensic scientists and journalists all dedicated to bringing these murders to justice.