Britain's Most Evil Killers

- Season 4

(2020)

Harold Shipman: A profile of one of the most prolific serial killers in history. With an estimated victim count of 250, what drove his horrific crimes?

Robert Napper: Known to some as The Plumbstead Ripper, he was convicted of two murders, but his victim count is actually estimated to be much higher.

Stephen Seddon: A look at the life of the convicted fraudster who murdered his parents in a cold-blooded crime driven by greed.

Dale Cregan: A profile of the serial killer who was sentenced to life in prison after the senseless murders of two men and two police officers in 2012.

Anthony Arkwright: A look at the savage killer who murdered his own grandfather and three others in a 56-hour blood-soaked killing spree.

John Sweeney: A profile of the cold-blooded killer, nicknamed "The Canal Killer" due to the places he dumped the body parts of his victims.

Andrzej Kunowski: A look at a man so vicious he was nicknamed "The Beast", after raping and murdering an innocent 12-year old girl.

Arthur Hutchinson: A look at the life of the notorious murderer, who broke into a home and took the lives of three family members in a senseless killing.

Peter Moore: Who was the killer dubbed 'The Man in Black'? This is a look at the murderer who took the lives of four innocent men "for fun".

Andrew Dawson: A profile of the double-killer who branded himself 'The Angel of Mercy', after murdering two of his neighbours in cold blood.