24 Hours in Police Custody is back with a gripping two-part special, A Family Vendetta, shining a spotlight on the chilling crimes of double murderer Stephen Alderton. Viewers are already asking the big questions. What exactly did Stephen Alderton do, why did he do it, and where is he now?
The new instalment, airing from Monday (December 08, 2025), dives deep into the investigation surrounding the fatal shootings of father-and-son duo Josh Dunmore, 32, and his 57-year-old dad, Gary, in Cambridgeshire. What begins as a heartbreaking double tragedy soon unravels into a dark and complex family feud.
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