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Expert WitnessEpisodes

  1. Today10:45
    BBC One

    The Wheelie Bin KillerSeries 4

    3/15When a body is found in a wheelie bin, an expert tracks the suspects’ mobile phones.(R)

  2. Tomorrow10:45
    BBC One

    Cracking the Killer's CodeSeries 4

    4/15Police turn to a forensic linguist to crack the code of a gang using a secret language.(R)

  3. Thursday10:45
    BBC One

    Catching a Cold Case KillerSeries 4

    5/15Untying the knot in a dressing gown cord used to murder a woman finally nails her killer.(R)

  4. Friday10:45
    BBC One

    Murderers, Messages and the Breakfast KillerSeries 4

    6/15An intelligence analyst tracks the killers of a man stabbed to death in his own home.(R)