Expert WitnessSeries 4

Ashley John-Baptiste presents this daytime true crime documentary series exploring the inside stories of how expert witnesses helped solve some of the UK's most complex major crime cases.

Where to Watch Expert Witness • Series 4

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15 Episodes

The Murder of Sarah Payne: Fields of Evidence
E1
The Murder of Sarah Payne: Fields of EvidenceThe heart-wrenching case of eight-year-old Sarah Payne, who was abducted and murdered. A forensic ecologist finds a vital link between the suspect and the gravesite. And an expert witness analyses blood at the scene, where remains are found in a freezer
The Body in the Suitcase
E2
The Body in the SuitcaseA twisted killer throws two suitcases containing severed remains into a canal, and it’s down to a 3D-scanning expert to uncover the crucial evidence needed to convict him. And a forensic entomologist helps prove a suspected case of extreme dog neglect.
The Wheelie Bin Killer
E3
The Wheelie Bin KillerWhen a body is found in a wheelie bin dumped in a lake, can a cell site analyst track the suspects’ movements and help put them behind bars? And when a man disappears in the Highlands, a soil expert unearths the grim truth that identifies his killers.
Cracking the Killer's Code
E4
Cracking the Killer's CodeWhen a violent gang use a secret language to discuss a fatal attack, police turn to a forensic linguist to crack their code. And one of the biggest cannabis growing operations ever seen in the UK is brought down with the help of a drugs expert.
Catching a Cold Case Killer
E5
Catching a Cold Case KillerWill untying the knot of a dressing gown cord used to kill Mary McLoughlin 35 years ago finally reveal the identity of her killer? And when a student’s body is found in a suitcase, a soil expert’s analysis of muddy shoes helps solve the case.
Murderers, Messages and the Breakfast Killer
E6
Murderers, Messages and the Breakfast KillerIn a horrifying case of mistaken identity, a man is stabbed to death in his home. Can an intelligence analyst help convict the suspects? And when a teenager is found beaten to death, a trace evidence specialist helps police confirm the murder weapon.
The Boy in the Woods - The Murder of Rikki Neave
E7
The Boy in the Woods - The Murder of Rikki NeaveNearly 30 years after six-year-old Rikki Neave was brutally murdered, the cold case is reopened and evidence from a soil expert proves crucial in convicting his killer. And a wildlife forensic scientist helps police in an illegal ivory investigation.
Beneath the Ashes
E8
Beneath the AshesWhen fire crew discover a woman’s body in a burning flat, a blood spatter analyst uses a risky and untested method to reveal key evidence. And a Welsh cold case is solved when, for the first time, familial DNA is used to identify a serial killer.
Lured to the Woods
E9
Lured to the WoodsA teenager is found dead in the woods. A pathologist analyses her stab wounds to shed light on the attack, and when remains are found in Scotland, a crack team of experts nail the killer.
The Shooting of Olivia Pratt-Korbel
E10
The Shooting of Olivia Pratt-KorbelThe devastating case of a gunman fatally shooting a young girl in Liverpool. An image analyst helps detectives unmask the notorious killer. When valuable antique coins are dug up illegally, two expert witnesses help police to convict the suspects.
Blood on the Carpet
E11
Blood on the CarpetA mother and child disappear in 1976, only leaving a burnt-out car behind them. Over 40 years later, can a blood analyst help police finally bring their killer to justice? And a cell data specialist is called upon to plot the movements of six suspects.
The Rachel Nickell Murder: Justice at Last
E12
The Rachel Nickell Murder: Justice at LastThe brutal, unsolved murder of Rachel Nickell on Wimbledon Common shocked the nation. Ten years on, can a forensic team using new DNA technology identify the killer? And a trace expert’s analysis of glass fragments from a beer glass connects a suspect to a vicious assault.
Unearthing the Truth
E13
Unearthing the TruthA young boy is beaten to death, but his killer evades justice. Three decades on, a pollen expert finds a crucial link between a suspect and the brutal murder. And after a vicious attack leaves a man dead, can a blood and fibre analyst help trace the killer?
Blood on His Hands
E14
Blood on His HandsA disabled woman is brutally murdered, and her neighbour is the prime suspect. Can a consultant doctor help police put him behind bars? And a linguistics expert provides vital evidence to convict a man who’s stalking and harassing his ex-partner
Buried Secrets
E15
Buried SecretsThe 2005 murder of a Glasgow woman goes cold, but 17 years on, can a Dutch soil expert help to finally bring the killer to justice? And when a man is suspected of stabbing his housemate, a blood analyst employs an unusual technique to crack the case.