Quest Red

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.

A man tries to fool a TV show into awarding him money. Three years later, he kills his partner then calmly lays a trail of false leads. Experts uncover the truth.

See how arson investigators gather physical evidence and mount undercover and sting operations to crack insurance torchings and arson murders.

See how plants help provide oxygen and nutrients, but in a criminal investigation, they can also mark the time and location of a person's death.

After the shooting of 20-year-old Gabriel Perez at a Fargo, North Dakota, restaurant, a trail of surveillance footage unmasks a jealous gunman.

What Happened To Skylar Neese? Every parent's worst nightmare comes true when a schoolgirl disappears without a trace. But surveillance footage leads cops to a shocking discovery.

When several patients in a small ICU facility die, investigators turn to forensics to solve the mystery.

A security guard finds an employee dead in the driver's seat of his car. Police suspect that someone was illegally hunting and shot the victim.

Re-examines the 1996 investigation into the abduction of a 17-year-old boy from a shop near his home, followed by ransom demands for $30,000.

New Jersey state trooper Phillip Lamanco is shot dead on duty. Detectives try to find his killers. Is there a link to a terrorist future plot.

When April Barber was murdered at a remote beauty spot, her husband said he tried to stop the killer and even appealed for help on TV. Experts analyse his deception.

When an officer dies in the line of duty, the fraternity of law enforcement bands together to make sure that justice is brought to those responsible.

Following the FBI investigators, special agents and detectives as they solve some of the toughest cases.

Re-examines the investigation into a US bank heist of 1997, in which two armed men opened fire on staff and police officers at close range without mercy.

Essa. Yazeed and Rosemarie Essa lead a happy life, but one day Rosemarie slumps over behind the wheel and crashes, apparently from a heart attack. Was foul play involved.

NFL superstar Steve McNair is found shot to death in his downtown apartment with a beautiful woman lying dead at his feet. Is everything how it appears.

Hollywood stuntman Garrett opens his door only to be confronted by a gunman who fires point blank. He survives, but will whoever tried to kill him strike again.

When student Michelle Le goes missing, her family rallies the entire community to look for her. While they hold out for a happy ending, police know better.

When Florida rookie Detective Donna Velazquez was assigned the case of David Jackson, who'd been missing for years, she surprised everyone with her findings.

Matthew Podolak is a young man in his prime. When he arrives in the E.R keeled over with abdominal pains, doctors are mystified by his sudden death.

Serial killer Donald Miller was jailed for the murder of four victims and two murder attempts. The survivors speak out as Miller's parole date draws near.

He Saved Her Life, Then Took It. Betty sees a dark side in her nephew, Chance. He explodes in a fit of rage and harms the one person who cares for him most in the world.

When a vulnerable young woman disappears from a remote Scottish village, a 16-year-old story of abuse, fraud and murder emerges. Experts reveal the hidden clues.

Explores three murder cases in which investigators secured convictions from trace evidence, including fingerprinting, fibre analysis and DNA testing.

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

A teenage girl disappears from a Kansas Mall. The only clue for detectives - the haunting final images of her on surveillance video.

In Florida, police investigate the disappearance of a reporter who was exposed to an addictive world of gaming. Across state a mum vanishes after a party.

When a ten-year-old vanishes, investigators must rely on forensics to fill in the blanks and track the missing child. Can they piece together the evidence in time.

In New Jersey a woman disappears without a trace. Police trail her husband and search for a box of contents which may prove his guilt.

The violent activities of gang members from the 'K Street Crew' are investigated by the Safe Streets Task Force.

Two gunmen rob a Seattle bank. One of the gunmen is killed in a firefight with police, while the other escapes after assaulting a family. Can he be caught.

Judge Rinder examines the case of Stephen Downing, a 17-year-old boy who was convicted in 1974 of the murder of Wendy Sewell.

When three women die of the same mysterious illness, the hunt is on to prove their deaths were no accident. Can detectives unravel this twisted tale of deceit.

After a loving mother is murdered inside her own home, police focus on their two best clues - a blood-stained hammer and a dusty footprint.

An elderly woman is beaten to death in her Texas home. The only clues are a trail of strange credit card transactions - and surveillance video.

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.

Sandy Miles and her daughter appear to have an unbreakable bond. When Sandy is found brutally murdered, the investigators can scarcely believe what they uncover.

A couple get embroiled in a contentious divorce and a bitter custody battle over their son. The tension builds to a dark and bloody attack.

In 1996, Tulsa, Oklahoma, a mother is found dead on the side of a rural stretch of highway in an apparent hit-and-run accident. What will the police uncover.

Judge Rinder examines the case of Liz Speirs, who was defrauded of nearly half a million pounds, and the fatal stabbing of 21-year-old Billy Dove.

In 2014, Kimberly Robertson's battered body is found on a sidewalk after a date with her boyfriend. Can CCTV footage help detectives identify her killer.

Shot From The Sky. Helicopter pilot Roger Gower helped spot illegal poachers in Tanzania. In 2016, Roger didn't return from one of his routine missions.

In 2013, Sean McHugh, went to a laundrette in Anfield, Liverpool to do his washing, only to be stabbed by a teenage gang. What made them kill an innocent man.

A 22-year-old nursing assistant vanishes. When police check the local CCTV footage, they discover that Carlesha Freeland-Gaither was abducted right on camera.