S5 E128 min
Intent to Kill: The Ashley Dale Murder
A ballistics expert proves the shooting of a young woman was murder not manslaughter, and a forensic scientist secures justice for a cold case victim, 20 years after the crime.
Expert Witness
Series 5
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15 episodes · First aired 2026-07-06
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Episodes
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Showing 15 at a time
S5 E228 min
Death on Duty
A voice analyst makes a positive link to the killer of two police officers, and a lead forensic scientist identifies a phone snatcher from a shoe he left behind.
S5 E328 min
A Deadly Dose
A forensic toxicologist proves that an Essex couple’s cause of death points to murder, and a footprint expert links a killer to two different murder scenes.
S5 E428 min
The Killer Next Door
A pathologist and forensic scientist work together to convict the twisted killer of Elaine Collie, and a Home Office pathologist links two suspects to a double homicide.
S5 E528 min
Cold Case Convictions
An expert witness uses fibre analysis to solve an execution-style murder, and after 26 years in prison, a man walks free when a forensic scientist links DNA to the real killer.
S5 E628 min
The London Bombings
Forensic explosives experts are tasked with examining the crime scenes after the London bombings to establish if the devices had the signature of any known terrorist organisation.
S5 E728 min
The Murder of Brianna Ghey
A blood spatter analyst helps puts the killers of a 16-year-old behind bars, and a forensic speech expert matches a voice on police dashcam to the killer of PC Ian Broadhurst.
S5 E828 min
The Body in the Cellar
A forensic archaeologist locates the body of a teenage girl buried in a cellar, and an expert in scanning technology sends a homemade gun maker to jail.
S5 E928 min
Dressed to Kill
A forensic image analyst identifies a killer from images in CCTV, and a forensic specialist helps police unravel the truth when a case goes from missing to murder.
S5 E1028 min
Left for Dead - The Murder of Hilda Murrell
A forensic biologist uses modern DNA techniques to solve the cold case murder of Hilda Murrell, and cell site analysis helps place a suspect at the scene of Abdul Deghayes’s killing.
S5 E1128 min
Grave Evidence - The Murder of Joanna Simpson
When a man kills his ex-wife, a forensic archaeologist helps determine if it was premeditated murder, and a cell site analyst follows a phone trail that convicts violent bank robbers.
S5 E1228 min
Deadly Threads
A fibre analyst uses a groundbreaking technique to solve the murder of 91-year-old Edwin Hiles, and a forensic fire investigator helps to uncover the truth behind a tragic house fire.
S5 E1328 min
Britain’s Coldest Case
A forensic scientist and a fingerprint expert identify a killer nearly 60 years after the crime, and a plant scientist helps expose a fraudster in a fake tea-growing operation.
S5 E1428 min
Death in the Woods
A forensic biologist works tirelessly to match DNA to the killer of Julia James, and an entomologist links a killer to a double murder.
S5 E1528 min
Voice of a Killer
A skilled voice analyst proves the killer of a missing man is very close to home, and a UK fingerprint expert helps to overturn a miscarriage of justice.