Expert Witness

The murderer of Sarah Payne is linked to the crime by a forensic pollen expert.

A 3D-scanning expert uncovers crucial evidence to convict a twisted killer.

When a body is found in a wheelie bin, an expert tracks the suspects’ mobile phones.

Police turn to a forensic linguist to crack the code of a gang using a secret language.

Untying the knot in a dressing gown cord used to murder a woman finally nails her killer.

An intelligence analyst tracks the killers of a man stabbed to death in his own home.

The Boy in the Woods - The Murder of Rikki Neave. A soil expert's evidence helps to convict a killer 30 years after the murder.

After a body is found in a burning flat, a blood spatter analyst looks for evidence.

When a teen is fatally stabbed, an expert analyses the wounds to shed light on the attack.

An image analyst helps detectives unmask the killer of a young girl in Liverpool.

A mother and son vanish in 1976. Forty years on, a blood analyst helps to find the killer.

Rachel Nickell’s murder was unsolved until DNA technology finally identified her killer.

A boy's killer escapes detection. Thirty years on, a pollen expert finds crucial evidence.

When a disabled woman is killed, her neighbour is suspected.

A murder in Glasgow goes cold. Seventeen years on, a soil expert helps convict the killer.