Steve Wright: In Ipswich, Steve Wright brutally killed five women over a six-week period in 2006. He is unquestionably one of Britain's Most Evil Killers.
Joanne Dennehy: The first woman in British history to be given a whole life sentence. Joanne Dennehy's 2013 rampage saw her murder three men and attack two more.
Stephen Griffiths - The Crossbow Cannibal: A chilling look at Stephen Griffiths, who in 2009 murdered three women - one in blatant view of a CCTV camera.
Dennis Nilsen: A look at the north London serial killer Dennis Nilsen, who murdered at least 12 men before being caught when he flushed the remains down the toilet.
Beverley Allitt: Nurse Beverley Allitt poisoned 13 children under her care, killing four of them, earning her the nickname "The Angel of Death" from the British media.
