Murder in the Valleys 2022 Over four parts, Murder in the Valleys tells the story behind the biggest murder investigation in Welsh history and its enduring repercussions One night in June 1999, three generations of a family were brutally killed in the small village of Clydach, South Wales For more than twenty years, despite the conviction of a local builder, the case has divided the community Filmed over 12 months, as the police decide it is time to review the evidence, this series examines a case that didnt end with the guilty verdict