Quest Red

An x-ray provides crucial evidence in an investigation into a case of three starving dogs. Investigator AJ confronts the owner with what her animals have been eating.

A group of ramblers used their first aid skills to keep a friend alive. And, firefighters battle to free an elderly couple from their upturned car.

The helicopter rushes to help a lifeboat crew tend to a cyclist with a head injury. Plus, a moped rider is injured in head on crash with a car.

The officers must take quick action as a routine arrest takes a turn for the worse as a police officer gets attacked, and a house raid takes an unexpected turn.

A morning drug raid leaves the bodycam cops with more than they bargained for, and a drunk driver is arrested following a massive crash.

Relatives of 'The Pillow Pyro' John Orr reveal how his shocking crimes impacted the family and community. Were there any signs of his murderous intentions.

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.

When Charlie Kinkel vanishes in a remote Nevada town, locals shun his wife when she investigates. The discovery of a body reveals a case of misplaced suspicion.

Donna Fontaine and her boyfriend are found shot dead in a burning house. Detectives face a wall of silence until a jilted lover brings evidence to light.

Patricia Mills is killed in a house fire in Texas. Detectives believe that the fire was set deliberately, but it will take 10 years to finally trap the culprit.

Billy Frietag works on the family fruit and vegetable farm and travels in the winter. Tragically, his openness and generosity lead to events culminating in his death.

Amanda Storms' high school sweetheart turns into an abusive husband. When he moves out, her friend steps into help. But, a dark night of violence changes everything.

When Shirlee Sherman and Thomas Hunter are found stabbed to death in Nebraska it takes years before detectives find the culprit - during which he kills again.

Ashley Wadsworth left Canada for a new life in the UK with Jack Sepple, a man she fell for online. But her dream quickly turns into a nightmare.

Natalie and Paul had a seemingly idyllic relationship. But when she suddenly disappears, the investigation uncovers a dark reality of control and violence.

A bizarre traffic accident takes the life of an 18-year-old. With the driver vanished, police turn to surveillance video - and make a sinister discovery.