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Expert Witness

Season 5 · Episode 7

The Murder of Brianna Ghey

0.028mJuly 14, 2026

A blood spatter analyst helps puts the killers of a 16-year-old behind bars, and a forensic speech expert matches a voice on police dashcam to the killer of PC Ian Broadhurst.

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Episodes

Episode 1Intent to Kill: The Ashley Dale Murder
Episode 2Death on Duty
Episode 3A Deadly Dose
Episode 4The Killer Next Door
Episode 5Cold Case Convictions
Episode 6The London Bombings
Episode 7The Murder of Brianna Ghey
Episode 8The Body in the Cellar
Episode 9Dressed to Kill
Episode 10Left for Dead - The Murder of Hilda Murrell
Episode 11Grave Evidence - The Murder of Joanna Simpson
Episode 12Deadly Threads
Episode 13Britain’s Coldest Case
Episode 14Death in the Woods
Episode 15Voice of a Killer