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

Geoffrey Evans and his accomplice John Shaw hit headlines in 1976 after the murders of two women in Ireland.

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

A 23-year-old killer murders 17-year-old former head girl Georgia Williams in 2013.

Steven Grieveson murdered four teenage boys in 1994 in his reign as the Sunderland Strangler before his capture.