Watch S6, EP4: Sarah Williams & Katrina Walsh with Fubo
Sarah Williams and Katrina Walsh, the two friends carry out the jealousy-fuelled murder of Sadie Hartley.
Sarah Williams and Katrina Walsh, the two friends carry out the jealousy-fuelled murder of Sadie Hartley.
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Britain's Most Evil Killers
S6, EP10 "Malcolm Green"Malcolm Green is jailed for life for the brutal murder of a Cardiff prostitute; he kills again when he is released after 18 years.
Britain's Most Evil Killers
S6, EP4 "Sarah Williams & Katrina Walsh"Sarah Williams and Katrina Walsh, the two friends carry out the jealousy-fuelled murder of Sadie Hartley.
Britain's Most Evil Killers
S9, EP2 "Gavin McGuire"Teen Mhairi is killed on her walk home after a festive night; investigators trace her last steps, using CCTV and forensics that point to Gavin, a violent repeat offender whose history reveals how dangerous he truly is.
Britain's Most Evil Killers
S5, EP3 "Kenneth Regan & William Horncy"The shocking story of the two men who murder a millionaire and three generations of his family in a vicious, greed-fueled attack.
Britain's Most Evil Killers
S9, EP5 "Anthony Russell"A violent spree leaves three innocent people dead as Anthony robs, flees and attacks without hesitation; police launch a massive manhunt, racing to catch him before he could claim yet another victim.
