Who shot wealthy Leicestershire businessman Ken Brown at point blank on his farm in August 1994? Was it business or personal?

Lovers Brian Price and Susan Tetrault were axed to death as they slept on a summer's evening in London 1986. Was their slaying linked to an international drug conspiracy?

Wolverhampton sex worker Janine Downes was beaten and strangled to death in 1991. Was she the victim of a serial killer?

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David, Emilia and Dr Graham Hill examine the case of eight-year-old Vishal Mehrotra, whose remains were found in West Sussex seven months after he went missing in London in 1981.

In 1993, Lambeth Council employee Bulic Forsythe was beaten to death in his Clapham home. Was it personal or were dark forces at Bulic's workplace involved?

In 2018, Georgina Gharsallah left her mum's house in Worthing and vanished. Now David, Emilia and Graham piece together a series of clues leading to a shocking conclusion.

Emilia Fox and Professor David Wilson, Britain's leading criminologist, investigate famous unsolved murder cases. By visiting the scenes of the crimes and reinvestigating the evidence, they attempt to get to the bottom of what really happened.

In August 1991, Widnes mum Vera received a mysterious phone call and left home in a hurry. Five hours later she was found dead. Emilia and co uncover explosive new information.

Could new evidence identify the killer of two young women in Scotland's Templeton Woods during the 1970s? David, Emilia and Graham investigate.

David, Emilia and Dr Graham Hill examine the tragic murder of Deborah Wood, who disappeared after leaving a city centre bar in Leeds in early 1996.

David, Emilia and Dr Graham Hill reopen the case of Trevaline Evans, who left a note saying 'back in two minutes' on the door of her antique shop in 1990, but never returned.

When Robert wasn't at his daughter's 18th birthday party, his family knew something was wrong. David, Graham and Emilia follow clues from within the local community that lead to a shocking revelation.

David, Emilia and Dr Graham Hill examine the murder of Teeside 18-year-old Tina Bell: a case that has remained unsolved for over 30 years.