The tragic case of 22-year-old Helen McCourt, who got off a bus one night in her hometown but never arrived at her nearby home.

The murder of 15 year-old Paige Doherty sends shock waves through Clydebank - and the key to finding her killer lies in the local Deli.

In 2022, 35-year-old Zara Aleena was beaten to death just ten minutes from her London home, but the only evidence left by her brutal killer was one bloody fingerprint at the crime scene.

Lynette White's murder led to one of Britain's most infamous miscarriages of justice and an exhaustive forensic investigation.

When the body of a 16-year-old girl is found in a field, it would take over two decades before a DNA profile of the killer can be developed.

Experts analyse the bodies of two women found in a freezer. Their untimely deaths would be linked to one vicious predator.

Bite marks in a block of cheese hold the key to catching a killer when he helps himself to a snack after a home invasion.

When Teresa De Simone's body was discovered, one man would soon be found guilty - but would forensic science prove his innocence?

A man insists his missing parents are on holiday, but a forensic investigation of their house shows signs of a vicious attack.

In 2000, the bodies of three women were found in Birmingham. Could police hunt down the dangerous killer?

When body parts wash up on a beach in Arbroath, forensic investigators must unravel the disturbing truth behind a woman's death.

In 1975, 11-year-old schoolgirl Lesley Molseed went to the shops and never returned to her family home in West Yorkshire. The ensuing police investigation led to a tragic miscarriage of justice before DNA evidence identified the true killer.

After mum Michelle Gunshon disappeared, police found CCTV footage showing her with a mystery man. They managed to track him down, but where was she?

Experts analyse sand found in a car when a man goes missing, which leads them to a body and a twisted murder case.

A woman dies in an apparently accidental house fire, but one police officer spots signs that something more sinister is at play.

See how investigators uncovered the perpetrator behind the 1994 murder of a grandmother at a bathroom of a bus station in Bury.

In 1986, 16-year-old Elaine Doyle was murdered just metres from her home - but catching her killer was no easy task.

When his parents are found dead, a man does everything he can to avoid being caught - but Luminol reveals a vital clue.

Years after the crime, see how forensics helped solve the murder of Becky Godden-Edwards, finding a killer who had sadly murdered again.

The investigation of a murder of her mother in her home in 1994, as police used forensic clues to find an appalling killer.