Quest Red

Friends are stunned when an esteemed criminal law professor is executed in his garage. Investigators follow a series of leads that take them on a state-wide hunt.

A police officer is shot dead at point blank range at the Harris County Courthouse outside Houston, Texas. With no witnesses, can security cameras lead to his killer.

Tiny evidence helps bring to justice a murderer who stabbed two young women to death. Plus, the search for the identity of a woman found decapitated.

Discover how a killer can try to cover his tracks, but evidence is hard to conceal when a special breed of investigative dog picks up the scent.

Family man Dr David Cornbleet is brutally murdered in his office. Police must rely on CCTV images of man with a concealed face to lead them to the killer.

When Christie Wilson disappears after a night out, CCTV cameras reveal her gambling with a mysterious man. Can this footage unlock the secrets of what happened.

Poisons can be deadly and are often impossible to detect. Forensic experts show how they can solve these mysterious deaths.

Just a few microscopic cells, from even a single hair or drop of blood, can place a murderer behind bars. What does DNA mean for crime solving today.

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.

Online dream. Real life nightmare. Experts in body language, linguistics, and psychology study police bodycam, spotting the signs that point to the murder of Gabby Petito.

Dismembered human remains are found in a grocery bag on a riverbank - will detectives be able to piece together the victim's identity and catch a killer.

A makeshift coffin conceals a body - can insects help cops identify the corpse? Plus, a parasite expert proves murder when a woman is found in a dumpster.

When homicide investigators meet crime writers, it transpires that real-life stories are often stranger than fiction.

Vivacious single-mom Dana is busy juggling a boyfriend, a jealous ex-husband, and a secret lover. But then, her life is cut short by someone close.

When 15-year-old Becky Stowe mysteriously disappears, everyone she knows is a suspect. It'll take a surprising tip to finally bring the truth to light.

New in town, Rhonda Smith, finds herself not only with a new job but also a new enemy. After tempers flare Rhonda is discovered barely clinging to life.

40-year-old Priscilla Strole seeks a fresh start when she and her teenage son move to a small town in California, unaware it will lead to her untimely end.

When a lifelong Long Islander, Donna Bocklet, announces she's moving to Florida, it sends a shock wave through her friends and family that ends in her murder.

Actress and devoted mother, Pasinetta Prince, relishes the spotlight. But, one day a personal betrayal ends the 40-year-old star's life far too soon.

After the murders of three schoolgirls, riots break out across Britain. Police are outnumbered but then use cameras to hunt down and arrest rioters.

As a wedding nears, a gunman kills a mother at home. When detectives can't expose the lies, they call in Texas Ranger Holland to draw out the truth.

A pilot sweeps a young woman off her feet. But after their child is born, tragedy strikes. Experts expose the truth.

When a young woman is found raped and strangled, the race is on to stop a serial killer. Plus, an ex-cop claims his wife shot herself - is he telling the truth.

A girl is savagely murdered in her home; who killed her and is she the only victim? Plus, a serial killer is preying on elderly women in an exclusive residential area.

24-year-old Nathan Trapuzzano is shot dead during his morning walk, leaving his pregnant wife a widow. Can CCTV help police track down the killer.

17-year-old Casey Crowder vanished early one morning when her car ran out of fuel. With no leads, investigators are desperate for any CCTV clues.

A man risks everything to find his sister's killer - can a sympathetic detective with a great theory help him? Plus, a sexual predator is getting away with murder.

Examines the history and modern evolution of the Texas Rangers, who were formed in the 1830s to protect settlers against attacks from natives.

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.

In the late 1970s, the FBI had knowledge of anti-Castro terrorists operating in the US. Then, a new group appeared, more violent than their predecessors.

In Elgin, Scotland, a young mother goes missing in 1998. Investigators fear they will never find out what happened until they discover the killer made a key mistake.

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.

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.

Relatives of serial con-woman and murderer, Sante Kimes, reveal how her shocking crimes impacted the family and what it was like having a relative with murder on her mind.

Harry Jarvis murdered his wife in the basement. As the truth was revealed, his son, Graham, had to face the fact that his father was a killer.

The former fiancée of wealthy farmer and landowner, Adrian Prout, reveals what it was like living with a man who lied about killing his wife.

Relatives of former Illinois police sergeant and convicted murderer, Drew Peterson, reveal how his shocking crimes impacted the family and changed their lives forever.

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.

Relatives of killer, Russell Causley, reveal how the killing of his wife has affected them and how until her body is found, they can never recover.

When Susan Waring, a 45-year-old mum-of-five with learning difficulties, disappears in 2019, all eyes turn to the new man in her life, Alan Edwards.

A young mother begins to wonder if her once-happy, sweet boy is evil, but she could never imagine the true terror her son would become.

When actor Jussie Smollett said he was attacked because of his sexuality and race, the world was outraged. But was the hate crime hoax obvious? Experts reveal the tell-tale signs.

A woman is found shot dead two miles from her car and a couple in California are gagged and shot. Investigators attempt to trace the murderer.

A woman, Betty, identifies a dead body as her missing sister Annie - but Annie is still alive. A look at murderers who kill to acquire a new identity.

On a late-night trip for food, Tosha Lampkin disappears. When her burnt out vehicle and remains are discovered CCTV provides detectives with their only lead.

When Jordie Hudson vanishes, police find her glasses in a pool of blood and horrific surveillance footage. Can her abductor be captured before it's too late.

A woman, Betty, identifies a dead body as her missing sister Annie - but Annie is still alive. A look at murderers who kill to acquire a new identity.

How baffling crimes have been solved through evidence provided by insects, beer bottles and other seemingly meaningless objects.

Shannon Sanderson was abducted after a successful night at the casino and police discovered she had been stalked and attacked for her $5,000 winnings.

Follows the FBI investigation into a robbery in which masked gunmen tied up employees at an armoured truck depot and left with $18.9 million.

Europe's Biggest Cocaine Bust And Heist. The UK's coastal agencies come together to stop a ship suspected to be carrying an illegal cargo, sparking a race to find evidence of the stash.

40-year-old Priscilla Strole seeks a fresh start when she and her teenage son move to a small town in California, unaware it will lead to her untimely end.

Will the chilling evidence found inside a quaint Utah bookstore bring the violent killer of its beloved owner to justice.

In 2017, the discovery of a mortally wounded man and a car riddled with bullets leads Pasco detectives on a trail of CCTV to track down a killer.

In Virginia, 2009, student Morgan Harrington vanished. Her body is found, but no culprit is identified until five years later, when another student goes missing.

If Only He Had A Heart. Tina Swor and partner John Dalton start a new life in Spirit Lake, Idaho. But John's erratic behaviour and love of guns plague their fresh start.

Brittany Steier devotes her life to being a mum. But when the father of her children becomes increasingly violent, her decision ends up costing her life.

A woman must face the hellish truth about her troublemaking son when he commits a monstrous crime. How much can a mother's love for her son withstand.

Judge Rinder examines cases that have shocked the nation. He looks at how one of Britain's most violent criminals evaded capture for over a decade.

A 24-year-old Yale student goes missing several days before her wedding. Can security camera footage help detectives hunt down the person responsible.

Fred and Rose West committed at least a dozen horrific murders over two decades. Fred's brother and niece reveal how his heinous crimes affected the family.

A 17-year-old girl was out with friends in an East London park when she was stabbed by unknown assailants. Fatally, it was a case of mistaken identity.

In 2013, a 25-year-old man was shot in a nightclub in Wisconsin. Detectives hope that a camera could reveal the identity of the cold-blooded killer.

A missing daughter has been on a date, a decapitated woman's body is discovered by a fisherman and a reported suicide involves toxic liquid.

When murder victims are killed by people they know, forensic examiners must expose the deception and reveal a killer's deadly intentions.

When Susan Casey disappears, CCTV footage reveals three likely suspects on the scene. It's impossible to tell who's responsible until a video shows someone is lying.

Fifty-seven-year-old Cynthia Langrall is a devoted wife and hardworking paralegal. So when she's shot dead, police are baffled as to who would commit the crime.

No matter how clean a crime scene appears to be, the culprit often leaves something behind. Even a fingerprint or shoe tread can lead to a conviction.

A chilling look at the work of female killers. They can be as deadly as their male counterparts, but they choose less violent methods.

Follows FBI investigations into similar armed robberies across the US in which several people were killed by two male suspects.

A convicted bank robber and his partner in crime escape on their way to court and go on to make the biggest bank robbery in Wisconsin history.

Judge Rinder examines cases that have shocked the nation. He looks at how one of Britain's most violent criminals evaded capture for over a decade.

The disappearance of Dena Raley-McCluskey was lost in the media frenzy over higher profile killings, until a bored cop stumbled upon her years-old case.

Did a woman's crusade to teach children to read lead to her murder? The police's only hope is to follow the clues left behind by the victim.

In 2018, 33-year-old Joshua Webb is shot in Beckley, West Virginia. Police unravel a web of lies and follow a trail of shocking security footage to find the culprit.

In Texas, a patrol car policeman is obsessed with being a 'Superman Cop.' But when Susan Harrison spurns his advances, he goes rogue - and she ends up dead.

Richard wants to have the good life by any means possible. When bad choices lead to a prison sentence, he makes a deadly decision, and his secret is exposed.

When Mark-Eric reports that his wife Sherri has had a tragic accident, their world falls apart. However, an investigation reveals a far darker truth.

He Looks Like The Killer On TV. When a friend tells Margie Bult to turn on the TV, she sees a fugitive named Paul Steven Mack who resembles her husband and vows to uncover the truth.

The Philpotts And The Stephens Family. Judge Rinder looks at the horrific case of Mick Philpott, who killed six of his children in a house fire. His son, Michael, speaks out.

After enjoying the trip of a lifetime, a 66-year-old man is on his way home to his wife. He never returns home so detectives rely on CCTV to uncover the truth.

Feeling Lucky? A burglar in handcuffs escapes police custody in a squad car and goes into hiding. Plus, a simple conversation ends up in a shoot-out at a petrol station.

After a home invasion gone wrong, a burglar takes a heavily pregnant woman as a human shield. In California, an officer faces a knife-wielding teenage girl.

In 2017, an exchange student mysteriously vanishes from her university campus. Can security camera footage help detectives hunt down the person responsible.

Even careful killers leave behind traces of themselves. Forensic detectives must evaluate everyday items to establish patterns of guilt.

Examining how some killers leave personal marks on their victims. But with the help of hi-tech forensics, police use the marks to capture the killer.

Michelle Thornton's disappearance on New Year's Eve sparks a gruesome investigation. With no witnesses, can detective uncover the terrifying truth.

In 2015, Edward Lowry was found savagely beaten to death in South Dakota. With little evidence left behind, can police piece together Ed's last moments from CCTV.

Poisoners: devious killers relying on their victim's trust in order to steal their lives. Find out why they don't usually stop at just one kill.

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

When police officers respond to a domestic disturbance, a fleeing suspect fires at them. Fingerprints and an FBI investigation lead to the criminal.

When a record store clerk is shot and killed outside a bank, surprising clues left at the scene indicate that robbery was not the motive.

The Philpotts And The Stephens Family. Judge Rinder looks at the horrific case of Mick Philpott, who killed six of his children in a house fire. His son, Michael, speaks out.

When a lifelong Long Islander, Donna Bocklet, announces she's moving to Florida, it sends a shock wave through her friends and family that ends in her murder.

Police must solve the murder of a young woman killed while celebrating her graduation from U.S. Naval training.

In 2013, 35-year-old assistant manager Larry Wells is murdered in his office. Police follow a trail of surveillance footage to track down the disguised killer.

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.

Ann Metz lives for her family. Her husband Marshall despises Ann giving her time to anyone but him, and he will do anything to keep hold of her.

Rogelio Morales sweeps Margarita Sanchez Lemus off her feet. Behind Rogelio's winning smile lurks a monster who will soon show his true colours.

In 1997, in quaint Anne Arundel County, Maryland, a detective inherits a stack of cold cases. As he begins to unravel each one, he uncovers a shocking common thread.

Life And Crimes Of Kenneth Noye. Judge Rinder looks at the life and crimes of notorious criminal Kenneth Noye, and a heartbreaking murder that led to an international manhunt.

A bartender interrupts a burglary at her home in Illinois. Detectives use CCTV footage to track down the attacker and bring them to justice.

As a wedding nears, a gunman kills a mother at home. When detectives can't expose the lies, they call in Texas Ranger Holland to draw out the truth.

The discovery of a murdered schoolgirl leads to an international manhunt, and the dramatic arrest of her father and stepmother on an airport runway.

Can I Help You? In 2013, a shopkeeper is shot dead in his store in Columbus, Ohio. With the shooting caught on camera and the killers on the run, detectives rush to catch them.