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Expert Witness Series 3 Episodes

  1. Wed 5 Aug 2026 10:45
    BBC One London HD & London only

    Face of a Killer and Proof in the Pollen

    6/15 A facial recognition expert helps Merseyside Police catch the killer of a young man. (R)

  2. Thu 6 Aug 2026 10:45
    BBC One London HD & London only

    Hidden Blood and Traces of a Killer

    7/15 An expert witness helps police link a drug gang to the death of a man in Wales. (R)

  3. Fri 7 Aug 2026 10:45
    BBC One London HD & London only

    Threads of Evidence and Bad Chemistry

    9/15 A UK fibre specialist brings closure to Australia’s longest-running murder investigation. (R)