Expert Witness Episode Rating Graph

Some criminal investigations are so complicated that they require a number of expert witnesses to be involved. This programme examines how forensic evidence from a whole team of scientists turned a missing person case into a hunt for a murderer, and then into an investigation into one of Britain’s most notorious serial killers.

Blood traces hidden under paint allow an expert witness to find a killer and free five men from suspicion. An unusual gait identifies the murderer of an office worker.

Marks left by the tread of a shoe help detectives catch a killer terrorising Rochdale, and a forensic linguist deciphers messages written in slang, revealing a murder plot.

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.

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.

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 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.

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.

When a dismembered body is discovered, police turn to a facial reconstruction expert to help identify the victim.

When a man kills four people and goes on the run, a handwriting analyst is brought in, and after a body is found, an expert in pollen links the suspects to the scene of the crime.

When a young nurse disappears, a soil analyst helps find her body and solve the crime. A digital imaging expert proves that what was thought to be an accidental death was murder.

An expert witness uses soil analysis to find the body of a missing woman feared murdered, and a cell site expert uses his tracking skills to catch a killer in Northern Ireland.

This episode follows two shocking criminal cases in Yorkshire, each involving a woman murdered by her partner, and two expert witnesses with very different disciplines in forensic science who help to deliver justice.

A fifty year old cold case murder is solved by DNA and the tenacity of an expert witness. And a murder investigation is solved by tracking unusual blue fibres around the world.

Insect evidence helps crack the case of missing Warrington teenager Shafilea Ahmed, and a series of convincing John Anster Fitzgerald forgeries are uncovered by an art expert.

A dental expert helps police investigating the mysterious death of a teenage girl, and an autograph expert is brought in to help convict scammers selling fake celebrity signatures.

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.

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.

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.

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.

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.

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.

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.

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.

In our first story, a community reels in total shock when a doting grandmother is found murdered in her home. Detectives search for the killer and suspect it may be someone close to her. The suspect's DNA is found all over the crime scene, but that is easily explained because he lived until recently in the same house. So the police try another route. They approach Kelly Sheridan, an expert witness in fibre evidence, who uncovers a trail of fibres, unravelling the mystery and putting the killer in jail.

Soil analysis helps solve a 37-year-old murder investigation in Scotland. In Huddersfield, analysis of insect life on a body found on the moors helps detectives catch a killer.

A team of expert witnesses follow a trail of fibres and DNA to solve three cold cases in Pembrokeshire, and a fraudulent diamond investment scheme is exposed by a gemologist.

After 32 years, expert fibre analysis helps bring the killer of two Brighton schoolgirls to justice, and the analysis of bones found on a Yorkshire moor helps find two killers.