World's Most Evil Killers (2018)

Season 1

8 episodes · Mar 11, 2018

World’s Most Evil Killers delves into the gripping real-life stories of the world’s most terrifying and prolific killers. From Fred and Rose West to Ed Gein – The Clown Killer – and even to The Milwaukee Cannibal. Each episode focuses on one notorious killer and features authentic first-hand accounts of their behavior, from detectives who ran the case, journalists who reported on the stories, relatives, and at times survivors, alongside series experts who provide analysis. These criminologists, crime journalists and psychologists examine how the infamous killers made headlines both nationally and internationally and why they still continue to evoke fear and fascination in the public eye.

Season 2

10 episodes · May 6, 2018

World’s Most Evil Killers delves into the gripping real-life stories of the world’s most terrifying and prolific killers. From Fred and Rose West to Ed Gein – The Clown Killer – and even to The Milwaukee Cannibal. Each episode focuses on one notorious killer and features authentic first-hand accounts of their behavior, from detectives who ran the case, journalists who reported on the stories, relatives, and at times survivors, alongside series experts who provide analysis. These criminologists, crime journalists and psychologists examine how the infamous killers made headlines both nationally and internationally and why they still continue to evoke fear and fascination in the public eye.

Season 3

10 episodes · Apr 28, 2019

An in-depth look at the lives and crimes of some of the World's most evil killers.

Season 4

10 episodes · May 26, 2020

An in-depth look at the lives and crimes of some of the World's most evil killers.

Season 5

10 episodes · Jan 19, 2021

An in-depth look at the lives and crimes of some of the World's most evil killers.

Season 6

10 episodes · Oct 19, 2021

An in-depth look at the lives and crimes of some of the World's most evil killers.

Season 7

10 episodes · Nov 22, 2022

An in-depth look at the lives and crimes of some of the World's most evil killers.

Season 8

10 episodes · Nov 23, 2023

An in-depth look at the lives and crimes of some of the World's most evil killers.

Season 9

10 episodes · Dec 17, 2024

A detailed look at the lives of the world's most evil killers, and the despicable crimes they committed.

Season 10

10 episodes · Nov 25, 2025