Quest Red+1

Two men are found dead, beaten to death in the bar where they work. A local television station receives an anonymous letter about the murders.

A woman is rushed to hospital following a massive seizure that has caused her heart to stop beating. Her husband admits to poisoning her.

When a land developer finds his wife missing, the FBI suspects him of the kidnapping but they must keep their options open.

In 1990, Chicago experienced a string of bank robberies. As the 'Bearded Bandit' became more sophisticated the FBI surmised that it could be a cop.

When 16-year-old Becky Watts vanished without trace suspicions fell on her step-brother and his partner. Experts analyse police interviews for clues.

Examines the history and modern evolution of the Texas Rangers, who were formed in the 1830s to protect settlers against attacks from natives.

How baffling crimes have been solved through evidence provided by insects, beer bottles and other seemingly meaningless objects.

A man risks everything to find his sister's killer - can a sympathetic detective with a great theory help him? Plus, a sexual predator is getting away with murder.

A family worries when a godmother never arrives for a baptism. Meanwhile a jogger discovers a woman's body off a remote road in Pennsylvania.

While a young man worries about his missing sister, a young woman's body is found in the Arizona desert - and investigators begin the hunt for her identity.

In 2005 Pamela Knight vanishes on her son's birthday and, years later, two men find the remains of a woman buried under an abandoned shed.

In a small town in Florida, a pastor and his wife take in a young woman from their congregation. But when she disappears, things may not be what they seem.

Three bodies are discovered in a burned-out home and a fourth family member is missing. Investigators embark on a decades-long manhunt for the killer.

A family are discovered murdered in their quiet suburban home. When one victim is found still clinging to life, police launch a desperate search for the killer.

After a nine-year-old girl is caught in the crossfire of a gangland feud, a specialist weapons team moves in to arrest her killer.

A mother calls on Texas Ranger Jim Holland, desperate for his help to solve the cold case murder of her son Joseph, executed in the East Texas woods.