An in-depth look at the lives and crimes of some of the World's most evil killers including Jeffrey Dahmer, Richard Ramirez, Cary Stayner, Leonard Lake, Dorothea Puente and more.
9 Seasons
Season 1
Season 18 Episodes
Season 2
Season 210 Episodes
Season 3
Season 310 Episodes
Season 4
Season 410 Episodes
Season 5
Season 510 Episodes
Season 6
Season 610 Episodes
Season 7
Season 710 Episodes
Season 8
Season 820 Episodes
Season 9
Season 910 Episodes
Cast of World's Most Evil Killers
Benjamin RosieRob Piest
Dariusz SobonJohn Wayne Gacy
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