This series takes an in-depth look at some of the world’s most prolific serial killers and interviews those who were closest to them before learning about their secret, dark lives. Attempting to uncover the psychology of each killer – from Jeffrey Dahmer to the DC Sniper – "TWISTED" tries to get an understanding of what drove these serial killers down the path of murder.
Last Episode07x05 Railway Killers Aired: May. 08, 2015
Childhood friends John Duffy and David Mulcahy share many hobbies, but their common interests take a dark turn as they grow older resulting in …
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