Currently available on 2 streaming services.

Streaming, rent, or buy World's Most Evil Killers – Season 1:

Currently you are able to watch "World's Most Evil Killers - Season 1" streaming on Pluto TV for free with ads.

Cast

Geoffrey Wansell
Self - Author & Journalist
Elizabeth Yardley
Self - Criminologist
Fred Dinenage
Narrator (voice)