This dramatic true crime series reveals how some of the UK’s most serious and complex cases were solved by the expertise of a band of unsung heroes – the expert witnesses.
Expert Witness (Season 3)
Body in the Woods and Supermarket Killers (Episode 1)
Air date: 2023-08-21
Overview: When a dismembered body is discovered, police turn to a facial reconstruction expert to help identify the victim.
A Watery Grave and the Dangerous Date (Episode 2)
Air date: 2023-08-21
Overview: When the body of a farmer is found in a lake, a bioarchaeologist helps police reveal how he got there. Meanwhile, when a man is accused of intentionally spreading the HIV virus, a virologist is called on to determine his guilt.
Body of Evidence and Shallow Grave (Episode 3)
Air date: 2023-08-21
Overview: When a 21-year-old student is murdered and dumped in the Humber Estuary, a forensic biologist helps police bring her killer to justice. And an expert witness analyses soil at a shallow grave to unearth the truth behind the death of a man in Scotland.
Corrosive Truth and A Field of Evidence (Episode 4)
Air date: 2023-08-21
Overview: When a woman is the victim of an acid attack in Brighton, an expert pieces together hours of CCTV footage to identify the suspect. And through pollen analysis, an expert witness helps police solve a murder case.
Written in Blood and The End of the Line (Episode 5)
Air date: 2023-08-21
Overview: When two men are wrongly convicted of murder, a forensic blood spatter analyst helps to prove their innocence. And an expert witness uses mobile phone analysis to help police bring a gang of drug traffickers to justice.
Face of a Killer and Proof in the Pollen (Episode 6)
Air date: 2023-08-21
Overview: When a young man is stabbed to death, a facial recognition expert helps Merseyside Police catch the killer. And a specialist palynologist’s help is needed by detectives investigating the disappearance of an elderly couple.
Hidden Blood and Traces of a Killer (Episode 7)
Air date: 2023-08-21
Overview: Police turn to an expert witness to help them link a drug gang to the death of a Vietnamese man in Wales. And experts in DNA and fibre analysis provide the evidence needed to convict the killer of an elderly man in Bristol.
Patterns of Behaviour and Time Flies (Episode 8)
Air date: 2023-08-21
Overview: A blood residue specialist leads police to the killers of an East Sussex waiter, brutally bludgeoned in his flat. And a forensic entomologist uncovers a case of extreme neglect when a Merseyside grandmother is found dead in her home.
Threads of Evidence and Bad Chemistry (Episode 9)
Air date: 2023-08-21
Overview: A fibre specialist from the UK brings closure to Australia’s longest-running murder investigation. And a forensic pharmacologist uses her expertise to ensure a murder charge after two brutal killings.
A Grave Error and Souvenir of a Killer (Episode 10)
Air date: 2023-08-21
Overview: When a teenager’s body is located in a shallow grave, a soil specialist is called on to unearth evidence to convict the killer. And as a murder investigation on Merseyside stalls, a fibre expert is enlisted to revive the case.
Death on the Nile and Cell to Cell (Episode 11)
Air date: 2023-08-21
Overview: When a British woman is found dead in an Egyptian hotel room, a UK toxicologist uncovers a sinister murder plot. And police turn to a cell communications analyst to solve the vicious murder of a Northern Ireland schoolteacher.
Red Light Killer and A Rural Rampage (Episode 12)
Air date: 2023-08-21
Overview: Detectives hunting the killer of a young woman from Bolton require the help of a fibre and DNA specialist to arrest their suspect. And police seek the help of a body fluids expert after a bizarre rampage in the Cotswolds.
Facing Justice and Language of Terror (Episode 13)
Air date: 2023-08-21
Overview: When a decomposed body is washed up on a Dutch beach, a UK facial reconstruction expert helps uncover the identity. And a forensic linguistic specialist leads an international hunt for evidence against an Edinburgh bomber.
Fragments of Truth and Wall of Evidence (Episode 14)
Air date: 2023-08-21
Overview: A forensically trained dentist’s expertise helps police to connect a man to the disappearance of his wife. And the diligent analysis of a soil expert helps to bring convictions against three heritage thieves.
Grave Secret and Lockdown Tragedy (Episode 15)
Air date: 2023-08-21
Overview: Evidence unearthed by a forensic archaeologist helps to catch the killer of a young woman from Wiltshire. And a case of harrowing neglect suffered by a Welsh teenager is revealed by an insect expert.
