
Examining some of the most dangerous and prolific murderers in the UK and worldwide.

29-year-old Dale Cregan goes on a ruthless killing spree and murders four people.

A profile of the double-murderer who killed a 77-year-old teacher and a 59-year-old reverend.

Colin Pitchfork is the first person to be convicted of murder based on DNA fingerprinting evidence.

The shocking story of the two men who murder a millionaire and three generations of his family in a vicious, greed-fueled attack.