Expert Witness
S04E13 Unearthing the Truth
A young boy is tragically murdered, and his assailant escapes punishment. Thirty years later, a pollen specialist uncovers a vital connection between a suspect and the horrific crime. Following another brutal assault that results in a man's death, will a blood and fiber analyst be able to identify the murderer?
Season 4 Episodes
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The Murder of Sarah Payne: Fields of Evidence
The Body in the Suitcase
The Wheelie Bin Killer
Cracking the Killer's Code
Catching a Cold Case Killer
Murderers, Messages and the Breakfast Killer
The Boy in the Woods - The Murder of Rikki Neave
Beneath the Ashes
Lured to the Woods
The Shooting of Olivia Pratt-Korbel
Blood on the Carpet
The Rachel Nickell Murder: Justice at Last
Unearthing the Truth
Blood on His Hands
Buried Secrets