24 Hours to Kill: The documentary series exploring high-profile murder cases examines the 1991 deaths in Castlerock, Co Londonderry, of Lesley Howell and Trevor Buchanan, which murderer Colin Howell managed to make look like a double suicide. The former dentist eventually admitted killing his first wife and former lover Hazel Stewart's husband, and is serving a 21-year jail term.

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Crime, Documentary