Quest Red+1

The occurrence of letter-bombing is becoming increasingly more frequent, but the crime lab is the place where the scientists pursue the bombers.

Fingerprints are an indisputable, time-tested method of establishing someone's ID. New computerisation means identification can now take only minutes.

Officers try numerous methods to enter a fortified building, only to find the building booby trapped and a runaway motorist is insistent that the car he's in isn't stolen.

Officers are forced to deal with a violent repeat offender in Nottingham and officers make a huge drug bust in a supposed 'family home'.

When Sarah Wellgreen suddenly disappears, detectives desperately search for her. But after discovering no evidence, they investigate closer to home.

Explore the mystery behind the body of a drug courier found burning in an alley. The FBI capture a drug lord who uses violence to keep people quiet.

The FBI is hot on the trail of bank robbers who leave behind bombs after their crime, but there's more to their cause than meets the eye.

When the wife of a wealthy man vanished, an unusual ransom note provided clues to the captor - who turned out to be involved in one of his companies.

A feud between a man and his stepfather boils over when they fight over the family home. A night of violence finally tears the family apart for good.

In Las Vegas, 2009, two men come face to face over a woman - three years of feuding end in 13 fatal seconds. Decades on, neither family can forgive.

Two men start an auto body repair business, but a bitter feud erupts, and one man goes missing with indisputable evidence of a brutal murder.

Two sisters grow apart after they marry into different circumstances, a rift that results in cold-blooded murder. Police receive a mysterious letter with the dark truth.

When Diane Hart's husband cuts her off financially, she turns to her sister for support. They devise a deadly plan to get the money they believe she deserves.

Janece Cook moved in with her parents after struggling with her mental health. But, when Janece's behaviour is linked to her dad's suicide, her sister seeks revenge.

On Halloween, police discover the body of Ildiko Bettison in her Chessington home. Detectives follow a trail of missteps to uncover the truth.

Trina's childhood becomes a living nightmare when her mother brings home her boyfriend, Robert. He is not only controlling but also a violent killer.