Quest Red

A university football player and his girlfriend are beaten to death and a man is shot dead at home. Can cold forensics solve these heated crimes of passion.

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

The bodycam squad deal with a victim of a vicious assault at the hands of a meat cleaver and extreme measures are required to deal with problem tenants.

When Gayle Isleib is shot dead in 1996, police identify a co-worker. Evidence is found of stalking, plans to kidnap her, murder her husband and love poems to Gayle.

When a farmer comes across a car with a dead woman inside it, police believe it is a sick sex crime. But, investigators reveal a sinister and evil truth.

A young bellhop goes missing on a treasure hunting trip in the Arizona wilderness. Will rescuers find Jesse or is he another victim of the Dutchman's Curse.

Police hope surveillance footage will lead them to a missing teenager before it's too late. But their hunt exposes a trail of terrible secrets.

When Iain and Sally Lawrence met, he thought she would bring him wealth and status. But when the relationship crumbled, Iain became desperate for a big pay-out.

In Albuquerque, Mike Snyder starts a family with his partner, capturing it on home video. But after being diagnosed with a serious illness, he vanishes.

US Air Force sergeant Nathan Paet and his family appear to live a blissfully normal life - until a horrific attack leads to their destruction.

In 1980, a college freshman never returns after a night out. Police followed her trail to a mysterious lake house but 40 years later they still have no answers.

Judge Rinder shines a light on Britain's worst crimes with unprecedented access to court records, witness interviews, and dramatic reconstructions.

Real-life cases reveal how video evidence has been used to solve a murder, as police reveal how CCTV footage has unlocked the answer to baffling cases.

As Pride Month kicks off in 2022, the deaths of two gay men in New York City shatter their families and the gay community.

A brutal nine-shot execution has only two suspects, the victim's ex-wife, and their son. Police uncover a toxic family history and a mother's murderous rage.

When a loving couple fail to reach their holiday campsite, New Mexico State Police investigate. With no forensic evidence or witnesses, they scour CCTV footage for clues.

Luke Harlow imprisoned a schoolgirl in his flat before Stephen Beadman raped and murdered her. Experts reveal how they gave away their guilt within moments.

After Charlotte Brown died in a speedboat accident, the vessel's owner claimed he was innocent. Experts reveal the full extent of Jack Shepherd's deception.

In the desert town of Socorro, New Mexico, Crystal Houston is found murdered just 14 months after her sister, Stephanie, is killed in a suspicious accident.

Specialised FBI teams root out and dismantle terrorist operations and put away criminals whose secretive cells are well armed and very dangerous.

Freak weather hits Texas and the team fight to save eight horses swimming in a flooded pasture. The rescue is successful but a horse is left with potentially fatal wounds.

Forensic scientists reconstruct the scene of a bludgeoning murder in Georgia, USA, and find a suspect in the murder of a missing man. Will microfibres hold the key.

With no fingerprints at the scene, detectives turn to cutting-edge forensic techniques to track a callous killer, hoping to catch him before he could strike again.

A succession of stabbings leaves cops chasing a potential double murder suspect and a drug bust at the home of a dealer unearths more than the officers bargained for.

Officers are called after a shopkeeper threatens a gang of youths with a knife. Plus, police are forced to be creative when trying to capture a tricky criminal.

Robert Henry, an executive in Tacoma, is murdered in 1995 by a masked gunman. His wife tells police she thinks he was killed by a former business associate.

See how, in the 1993 World Trade Center bombing, DNA was traced to the bomber through the saliva that remained on the back of a mailing label.

Discover how a few milligrams of forensic evidence can be crucial to a crime investigation and prove the innocence or guilt of the accused.

Exploring the mind of the obsessive murderer, following the work of psychologists as they study the muddled workings of the criminal psyche.

Experts analyse a man's deception following the Manchester Arena terror attack. Police tapes expose a man who murdered his wife and hid her body in the freezer.

When arrested for historic sexual offences, TV weatherman Fred Talbot tried to hide the truth in police interviews. His repeated response of 'no comment' speaks volumes.

Harold Shipman was a much-loved doctor. Millions watched the GP speaking on TV discussing the benefits of care, not knowing he'd already killed dozens of patients.

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

When Laci Peterson went missing, her husband claimed he last saw her before he went fishing - but his secret mistress exposed his lies. Experts examine his behaviour.

Levi Bellfield denied his connection to a series of murders and rapes, but videotaped police interviews tell a different story. Experts spot the giveaway signs.

In Arkansas, 47-year-old Mario Miller turns up dead in a stranger's driveway. As detectives trace his last hours, a chilling conspiracy is revealed.

After a gunfight outside a bar ends with two dead, Grand Rapids detectives discover that twin brothers are involved.

Convicted murderer John Cannan is the prime suspect in the disappearance of estate agent Suzy Lamplugh. Experts examine the crucial video evidence.