Quest Red+1

Investigators confront the owner of six emaciated dogs with appalling mange. Plus, investigator AJ Meadows discovers a Chihuahua puppy at death's door.

A driver's leg is almost severed by a forklift truck. A cyclist collides with an e-scooter. A horse rider suffers a fractured skull in a fall.

A young woman is seriously injured in a high-speed motorway crash and the team race to treat a man whose DIY job has gone painfully wrong.

Officers in pursuit of a burglar are given the run around by the elusive thief and a strange break-in at a hotel unearths an unexpected mystery in Stoke-on-Trent.

Police in Nottingham are called to the scene of a horrific crime after a woman has her neck slashed and the firearms team are called in to find a violent gang of youths.

What exposed Tracie Andrews' lie that a road rage attack killed her lover? Mike Gifford-Hull's TV plea for his missing wife Farsi hides the truth.

A closer look at real FBI cases - from murders to robberies - with dramatic re-enactments and interviews with agents and forensic scientists who work in the investigations.

A closer look at real FBI cases - from murders to robberies - with dramatic re-enactments and interviews with agents and forensic scientists who work in the investigations.

A closer look at real FBI cases - from murders to robberies - with dramatic re-enactments and interviews with agents and forensic scientists who work in the investigations.

19-year-old Logan Schiendelman vanishes after a night out. When authorities find no evidence of foul play, they are forced to examine his family's controversial past.

When transgender teen Sage Smith goes missing, the investigation turns up evidence that forces detectives to look closer into Sage's inner circle.

In 1998, 23-year-old Amy Bradley goes on a family cruise through the Caribbean. After a night out dancing in the ship's disco, she vanishes without a trace.

When popular college student Martin Roberts goes missing, only a cryptic note is left behind. Two years on, his family want to solve the mystery once and for all.

When veteran Michael VanZandt vanishes, police suspect it's a random attacker. But his family are haunted by his thrill-seeking when considering his fate.

One evening after bowling practice, 9-year-old Stephanie Crane never arrives home. For years, she remains missing. Will advances in evidence testing solve the mystery.

Savannah Paschal's husband, Trent, becomes jealous and obsessive and she tries to leave. But, before she can, Trent makes a deadly decision.

A loving couple takes in a troubled foster child and quickly becomes entwined in a twisted plot that ends in a brutal murder.