Britain's Most Evil Killers S06E04 - Sarah Williams & Katrina Walsh

Episode Overview

Sarah Williams and Katrina Walsh, two friends consumed by jealousy, plot and execute the chilling murder of Sadie Hartley, a successful businesswoman. Their friendship spirals into darkness as they let their envy drive them to commit an unthinkable crime, leading to a shocking outcome that reveals the depths of their betrayal.

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