Trevor Hardy, 63, is known as 'the Beast of Manchester' after murdering three teenage girls in the city in the 1970s. He was sentenced in 1977 and is currently imprisoned at Wakefield Prison in West Yorkshire.
Robert Maudsley, 56, has killed three fellow prisoners while serving time for a murder he was convicted of in 1974.
Dennis Nilsen, 64, killed more than 15 men and boys between 1978 and 1983, retaining many of the corpses to commit sex acts. He was only caught after a drain unblocking company discovered dismembered human entrails. Sentenced in 1983, he is imprisoned at HMP Full Sutton in Yorkshire.
Contract killer John Childs, 70, was convicted in 1980 of murdering and burning six people.
Arthur Hutchinson, 68, murdered three members of the same family just hours after the wedding of another family member. He left their dismembered bodies in a pool of blood before raping the daughter of two of his victims. Hutchinson had previously spent three and a half years in prison for trying to shoot his half-brother.
Rahan Arshad, 39, was convicted in 2007 of killing his wife, Uzma, as well as three children.
Jeremy Bamber, 49, was convicted of murdering five members of his family in 1985, aged just 25. He murdered his father and mother as well as his sister and her two six-year-old sons at the family farm in the Essex village of Tolleshunt D'Arcy. He is believed to have been motivated by a £500,000 inheritance.
David Tiley, 50, was convicted in 2007 of murdering his fiancée and raping a carer.
Victor Miller, 55, abducted a 14-year-old newspaper delivery boy in Worcestershire in 1988. He sexually assaulted and then murdered him. Police suspect Miller was responsible for another 30 assaults.
Glyn Dix, 55, was convicted in 2005 for his second murder, after stabbing and dismembering his wife.
The 'Railway Rapist' John Duffy, 51, was convicted of raping and murdering two women and raping two others. He gained his moniker because he abducted his victims from train stations.
Antony Entwistle, 58, killed a 16-year-old girl and raped two others. He was convicted in 1998.
Anthony Arkwright, 41, was convicted in 1988 of killing his two neighbours and his grandfather.
Illegal immigrant Victor Castigador, 56, burned two security guards to death and badly injured two other people in an attack on an amusement arcade in London.
Michael Smith, 57, committed his second murder in 2007, using a bottle, while out on parole.
Colin Ireland, 56, is known as the 'Gay Slayer' for murdering five gay men. He murdered the men after engaging in what they thought was a sex game.
Mark Martin, 29, killed three women. He had wanted to be a serial killer.
Rosemary West, 56, was convicted of the torture and murder of ten young women in 1995. Her husband Fred committed two further murders before he met her, but committed suicide before he could face trial. She is imprisoned at HMP Low Newton in Durham.
Victors Dembovskis, 46, killed a 17-year-old girl. He was convicted in 2006.
Malcolm Green, 61, was jailed in 1991 for killing a tourist from New Zealand, five months after being released from prison for murdering a prostitute.
Serial rapist John McGrady, 51, was convicted in 2006 of killing a 15-year-old girl.
Douglas Vinter, 40, stabbed his wife to death in his mother's home in Middlesbrough just weeks after being released from prison for his first murder.
Peter Moore, 69, murdered four men in Wales in 1995 "for fun".
Andrezej Kunowski, 52, murdered a 12-year-old girl in her home. Dubbed 'The Beast', he had already been found guilty of 27 sexual offences in his native Poland.
William Horncy, 55, and Kenneth Regan, 56, murdered millionaire Armajit Chohan and his family in 2003. Their bodies were washed up on the south coast.
Phillip Heggarty, 54, was convicted in 2004 of murdering his best friend.
Stephen Ayre, 47, raped a 10-year-old boy while out on parole after serving time for a previous murder conviction.
Paul Culshaw, 41, is known as the 'Shoelace Killer' after strangling a 23-year-old woman with a shoelace in 2004. He has previous convictions for rape and attempted murder.
Mark Hobson, 40, killed two twin sisters and an elderly couple in North Yorkshire. One of the victims was his girlfriend.
Hitman Paul Glen, 36, was imprisoned for his second murder in 2005. He had stabbed the wrong victim.
