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.
How to watch
More episodes
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
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
S5, EP9 "Ali Qazimaj"A double murderer is found guilty of the brutal assassination of an elderly couple.
Britain's Most Evil Killers
S5, EP7 "Sabah Khan"A woman murders her sister after developing a deadly obsession with her brother-in-law.
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.
