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Expert Witness Episodes

  1. Today 10:45
    BBC One

    Death in the WoodsSeries 5

    14/15 A forensic biologist tirelessly scans evidence for DNA and identifies a killer.

  2. Tomorrow 10:45
    BBC One

    Voice of a KillerSeries 5

    15/15 A leading voice analyst proves the killer of a missing man is very close to home.

  3. Monday 10:45
    BBC One

    Beneath the AshesSeries 4

    8/15 After a body is found in a burning flat, a blood spatter analyst looks for evidence. (R)

  4. Tuesday 10:45
    BBC One

    Lured to the WoodsSeries 4

    9/15 When a teen is fatally stabbed, an expert analyses the wounds to shed light on the attack. (R)

  5. Next Wednesday 10:45
    BBC One

    The Shooting of Olivia Pratt-KorbelSeries 4

    10/15 An image analyst helps detectives unmask the killer of a young girl in Liverpool. (R)

  6. Next Thursday 10:45
    BBC One

    Blood on the CarpetSeries 4

    11/15 A mother and son vanish in 1976. Forty years on, a blood analyst helps to find the killer. (R)

  7. Next Friday 10:45
    BBC One

    The Rachel Nickell Murder: Justice at LastSeries 4

    12/15 Rachel Nickell’s murder was unsolved until DNA technology finally identified her killer. (R)

  8. Mon 3 Aug 2026 10:45
    BBC One except Northern Ireland, Northern Ireland HD, Scotland, Scotland HD, Wales & 1 more

    Unearthing the TruthSeries 4

    13/15 A boy's killer escapes detection. Thirty years on, a pollen expert finds crucial evidence. (R)

  9. Tue 4 Aug 2026 10:45
    BBC One except Northern Ireland, Northern Ireland HD, Scotland, Scotland HD, Wales & 1 more

    Buried SecretsSeries 4

    15/15 A murder in Glasgow goes cold. Seventeen years on, a soil expert helps convict the killer. (R)

  10. Wed 5 Aug 2026 10:45
    BBC One except Northern Ireland, Northern Ireland HD, Scotland, Scotland HD, Wales & 1 more

    Face of a Killer and Proof in the PollenSeries 3

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

  11. Thu 6 Aug 2026 10:45
    BBC One except Northern Ireland, Northern Ireland HD, Scotland, Scotland HD, Wales & 1 more

    Hidden Blood and Traces of a KillerSeries 3

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

  12. Fri 7 Aug 2026 10:45
    BBC One except Northern Ireland, Northern Ireland HD, Scotland, Scotland HD, Wales & 1 more

    Threads of Evidence and Bad ChemistrySeries 3

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