Forensics: Catching the Killer

A look at the murder of six-year-old Rikki Neave in 1994, with the case remaining cold until forensic advances revealed his killer decades later.

In September 2003, 17-year-old Shafilea vanishes. Months later, her body is found in Cumbria, turning a missing person case into a shocking murder inquiry.

Five-year-old April disappeared close to her home. She had been playing outside when she was seen getting into a vehicle and, within moments, was gone.