World's Most Evil Killers - Season 6, Episode 5 - Sarah Williams and Katrina Walsh - Full Episo

Sarah Williams and Katrina Walsh: the story of two friends who carried out the evil, jealousy-fuelled murder of Sadie Hartley.

An in-depth look at the lives and crimes of some of the world's most evil killers. New episodes including Lee Ford, Pawel Relowicz, John Shaw, John Allen Muhammad, Derrick Todd Lee and more.

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