A case highlighting the dangers of online grooming, 14-year-old Breck Bednar was lured to a London flat before being killed by a fellow teenager.
The story of 30-year-old church warden Ben Field, who was jailed in 2019 for the murder of Peter Farquhar, 69, whom he duped into a fake relationship and persuaded to change his will, before drugging him with a cocktail of pills
A family's worst nightmare occurs when 16-year-old Becky Watts goes missing, and is found dead days later, murdered by her own stepbrother.
The crimes of John Cannan, a dangerous sexual predator who murdered one young woman just days after his release from prison, and is suspected of many others.
A fugitive from the United States, David Bieber, murders one British police officer and tries to kill two more, sparking a nationwide search.
Jailed for the dreadful murder of a children's author, Ian Stewart receives a second conviction for the killing of his wife six years earlier
The crimes of Zahid Zaman. On the surface, he portrayed himself as a pillar of the community, but the true story of this cult killer was deeply sinister
After striking up a friendship in prison for previous murders, Stephen Unwin and William McFall's release had awful consequences.
Thirty-two years later, a convicted killer serving life for manslaughter is found to be guilty of having committed a second murder.
A master manipulator is accused of the murder of his wife, and is eventually caught out by a polygraph test - and his own fiancée.