Harold Shipman, Dennis Nilsen, Ian Brady and Peter Sutcliffe.
Here we explore the links mass murderers Harold Shipman, Peter Sutcliffe, Dennis Nilsen and many more had to Doncaster and Sheffield as well as other local connections to famous crimes and criminals you may not have known about.
Britain's most notorious mass murderer killed 13 women between 1975 and 1980. His killing spree came to and end when he was arrested in Sheffield in 1981.
The GP dubbed 'Dr Death' is believed to have killed 250 of his patients and lived in Rossington, Doncaster in the 1970s. He killed himself in 2004.
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Sheffield-born Malcolm Barlow (right) was one of the 15 victims of London serial killer Dennis Nilsen. A drifter, the 24-year-old was strangled, chopped up and burnt in 1981.
Moors Murderers Myra Hindley and Ian Brady, who killed five children in the 1960s, were brought to justice by Doncaster born Det Chief Supt Sam Cross, who led the investigation.
Sheffield born Charles Peace killed a policeman, shot dead his neighbour in the city and carried out multiple burglaries before being caught and then hanged in 1879.
Reggie Kray (right), who formed the notorious London gangster duo with his brother Ronnie, became friends with Doncaster boy Brad Lane who he called his adopted son after he began writing to him in prison. (PA).
Paedophile Lostprophets singer Ian Watkins, serving 35 years for child sex offences, abused the baby of a 21-year-old woman from Doncaster.
Dubbed The Fox, the killer murdered three members of the same family in Dore, Sheffield in 1983. He was spotted in Doncaster while on the run.
Rillington Place strangler John Christie killed at least eight people - including his Sheffield-born wife Ethel in 1952.
Anthony Arkwright murdered three people in 56 hours in Wath in August 1988 - and the then 21-year-old, currently serving life, is thought to have killed a fourth person during his spree.
The paedophile TV and radio presenter was a regular visitor to Doncaster during the 1960s, both as a wrestler at the Corn Exchange and a DJ at the Top Rank.
Hutchinson killed Basil and Avril Laitner and their son Richard after a family wedding at their home in Dore, Sheffield in 1983. He's serving life for the killings.
Black Cab Rapist John Worboys, who may have had more than 100 victims, is pen pals with a Doncaster woman who sends him photos of herself in sexy underwear.
The locomotive used in the 2.6m Great Train Robbery in 1963 continued in service after the heist but was scrapped in Doncaster in the 1980s. (PA).
Anthony Arkwright's brutal killing spree in Wath saw four people killed in just 56 hours.
During his time on the run for the Dore murders, Arthur Hutchinson was spotted drinking at a pub in Doncaster and is also thought to have visited Doncaster Royal Infirmary.
Highwayman Spence Broughton, executed in 1792 for robbing the Sheffield and Rotherham mail, was gibbeted at the scene of the crime on Attercliffe Common where his body hung for 36 years.
Highwayman Spence Broughton's body was on display at Attercliffe for 36 years - the Noose and Gibbet pub has a representation of the death outside.
Broughton Lane in Sheffield takes its name from highwayman Spence Broughton whose body was on public display in Attercliffe for nearly 40 years.