Forensics: Catching the Killer

Carol Park's body was pulled from a lake more than 20 years after she vanished - and the key to solving the case lay in unique forensics.

The murder of 15 year-old Paige Doherty sends shock waves through Clydebank - and the key to finding her killer lies in the local Deli.

Lynette White's murder led to one of Britain's most infamous miscarriages of justice and an exhaustive forensic investigation.

A look at the spree killing in Birmingham in November of 2000 where pub worker Philip Smith killed three women, mutiliating them almost beyond recognition.