A profile of who the Suffolk Strangler really was looking at his upbringing and what drove him to commit a string of senseless murders.
A profile of the Norwegian killer who targeted government buildings in Oslo when he bombed them before going onto a shooting spree on the island of Utoya.
Examining the reign of terror Raoul Moat inflicted when released from jail on his girlfriend then after killing her on the Northumbria police.
The show takes a look at the life of Andrew Cunanan who killed at least five people across three American states during the summer of 1997. It ended with the murder of Gianni Versace who he shot on the steps of his South Beach mansion.
A look at the 2011 attempted assassination of US congresswoman Gabrielle Giffords.
On April 20, 1999, Dylan Klebold and Eric Harris embarked on a shooting spree at Columbine High School, Colorado, killing 12 of their fellow students and a teacher before committing suicide. This documentary draws on eyewitness testimonies and recollections of those who knew the pair to outline the chain of events that led them to kill.
A closer look at the 1987 Hungerford massacre, in which 27-year-old unemployed labourer Michael Ryan fatally shot 16 people, before committing suicide.
The story of one of the UK's most dangerous hate-crime killers who targeted Brick Lane, Soho and Brixton in 1999 in a 13-day nail bombing campaign.
The story of Maksim Gelman, who killed four people and wounded five in a 28-hour stabbing spree in New York City in February 2011.
Christopher Dorner: A look at the murderous rampage of the former Los Angeles police officer who killed four people, including two police officers, in February 2013.
The story of Jennifer San Marco, a former US Postal Service employee who shot and killed seven people in Goleta, California, in 2006 before taking her own life.
Banks: In 1982, former prison guard George Banks went on a killing spree in Pennsylvania. When he was done, 13 people were dead. Among them, five of his own children.
