The quest for justice leads detectives and the public to solve murders, against all odds.
The story of Gemma, 27, who was brutally murdered by people she thought of as friends.
How attitudes to the elderly enabled Harold Shipman鈥檚 crimes to go undetected.
Alys and Bronagh establish the events of the night in 1996 Damien Nettles went missing.
Documentary looking at the case of a 14-year-old boy who tried to kill his parents.
Docudrama about a schoolboy lured to his death after being groomed online while gaming.
Fri Martin was jailed for her boyfriend's murder. Now she is appealing her conviction.
