Police officers investigate the suspicious circumstances surrounding the sudden of Christoper Donovan, committed by a gang of youths.

After going missing for a year and a half, many believed 14-year-old Chyenne had run away from home. Closer analysis and a thorough investigation reveals the tragic truth.

After finding her dead in a bathtub full of bleach, detectives had their work cut out for them as they narrowed down Susan Eyre's killer from an incredible 210,000 possible suspects.

A decomposed body is found in a suitcase by a railway embankment in Exeter, and police search for the killer with only CCTV evidence to go on.

Detective David Baker becomes the first person to use DNA profiling in a criminal investigation when looking for the killer of two young girls in 1986.

US detectives investigate the brutal murder of Phillip Inhofer at his home in Sacramento, with a lead to a 20-year-old sex worker known as Batgirl.