Expert Witness
S04E03 The Wheelie Bin Killer
After a body is discovered in a wheelie bin submerged in a lake, a cell site analyst steps in to trace the suspects' movements, aiming to bring them to justice. Meanwhile, in the Highlands, the mysterious disappearance of a man leads a soil expert to uncover chilling evidence that reveals the identities of his murderers.
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