Documentary series from New Zealand following the madness and mayhem faced by intrepid officers as they pull over motorists for a variety of suspected offences. (S13, ep 9).

Documentary series from New Zealand following the madness and mayhem faced by intrepid officers as they pull over motorists for a variety of suspected offences. (S13, ep 10).

Documentary following the men and women who help keep motorists safe on some of the most perilous highways and byways of New Zealand. (S7, ep 8).

Documentary following the men and women who help keep motorists safe on some of the most perilous highways and byways of New Zealand. (S7, ep 9).

Series shining a new light on modern policing in Manchester and the challenges faced by officers as they come face to face with a range of criminal and social issues. (S1, ep 8).

The Thames Valley Police provide a fascinating insight into car crime and its prevention. Plus, shocking video footage captures dangerous drivers in action. Strong language. (S3, ep 4).

The Thames Valley Police provide a fascinating insight into car crime and its prevention. Plus, shocking video footage captures dangerous drivers in action. Strong language. (S3, ep 8).

Cameras join officers from Australia's airports, harbours and mail services as they protect the nation from drug-smugglers, illegal products and unusual creepy-crawlies. (S10, ep 16).

Cameras join officers from Australia's airports, harbours and mail services as they protect the nation from drug-smugglers, illegal products and unusual creepy-crawlies. (S10, ep 17).

Documentary following the work of Britain's police dogs in real operations, sniffing out everything from drugs and weapons to counterfeit money. Ken Stott narrates. (S1, ep 8).

Catching the Midlands Ripper: Two bodies are found just months apart in Leicestershire, but when the case goes cold, one woman's bravery could be key. (S3, ep 9).

Assassins Greed: DNA left on a cigarette butt leads investigators to the brutal killer of 84 year-old gun enthusiast Kenneth Speakman.

Craig Hodson-Walker: When Craig Hodson-Walker is killed while trying to protect his father from a gang of robbers, a manhunt begins to track down the suspects. (S8, ep 6).

Babes in the Woods: For 26 years the public believed that two children found dead in Epping Forest in 1970 had died of exposure. But in 1996 the truth finally came out.

Jerald Wingeart: In 1973, Dawn Magyar's body was found two months after she had vanished. Twenty-eight years on, advances in forensics helped solve the case. (S8, ep 2).

John Cannan: A dangerous sexual predator, John Cannan murdered one young woman just days after his release from prison, and is suspected of many others. (S7, ep 4).

Catching the Birmingham Spree Killer: In 2000, the bodies of three women were found in Birmingham. Could police hunt down the dangerous killer? (S4, ep 6).

The Canal Murders: It took 18 years to identify Melissa Halstead after her torso was found in a Rotterdam canal. But detectives never stopped working to catch her killer.

John Eric Armstrong: In 1999 and 2000, John Eric Armstrong prowled Detroit looking for sex workers. A seemingly normal father, no one suspected he was a killer. (S8, ep 3).

David Bieber: A fugitive from the United States murders one British police officer and tries to kill two more, sparking a nationwide search. (S7, ep 5).

When a body is found in woodland hours after an elderly couple are reported missing, residents in the village are shocked that there's a killer in their midst. (S1, ep 1).

Mann - Deadly Deceit: The chilling story of Wendy Mann, whose life was taken in a jealous frenzy by her ex-partner and the father of her three children in 2015.

Murder By the Lake: True crime series putting murders under the microscope and exploring how forensic science helped investigators solve them. (4 of 8).

Richard Ramirez: Exhibiting cruelty, callousness, and viciousness beyond any human understanding, Richard Ramirez terrorised Los Angeles with his spate of home invasions.

Assassins Greed: DNA left on a cigarette butt leads investigators to the brutal killer of 84 year-old gun enthusiast Kenneth Speakman.

Rebecca Barker: The case seems clear when a Texas shop owner calls 911 with a harrowing confession, but detectives find a pattern that makes them think again. (S31, ep 8).

Carter Cervantez: A morning apartment fire in Texas sparks a murder investigation when a woman's body is found beaten and bound inside. (S31, ep 9).

Documentary following the work of Britain's police dogs in real operations, sniffing out everything from drugs and weapons to counterfeit money. Ken Stott narrates. (S1, ep 3).

Documentary series from New Zealand following the madness and mayhem faced by intrepid officers as they pull over motorists for a variety of suspected offences. (S15, ep 1).

Documentary series from New Zealand following the madness and mayhem faced by intrepid officers as they pull over motorists for a variety of suspected offences. (S15, ep 2).

Documentary following the men and women who help keep motorists safe on some of the most perilous highways and byways of New Zealand. (S7, ep 10).

Documentary following the men and women who help keep motorists safe on some of the most perilous highways and byways of New Zealand. (S8, ep 1).

Series shining a new light on modern policing in Manchester and the challenges faced by officers as they come face to face with a range of criminal and social issues. (S1, ep 9).

The Thames Valley Police provide a fascinating insight into car crime and its prevention. Plus, shocking video footage captures dangerous drivers in action. Strong language. (S4, ep 1).

The Thames Valley Police provide a fascinating insight into car crime and its prevention. Plus, shocking video footage captures dangerous drivers in action. Strong language. (S4, ep 8).

Cameras join officers from Australia's airports, harbours and mail services as they protect the nation from drug-smugglers, illegal products and unusual creepy-crawlies. (S10, ep 18).

Cameras join officers from Australia's airports, harbours and mail services as they protect the nation from drug-smugglers, illegal products and unusual creepy-crawlies. (S10, ep 19).

Documentary following the work of Britain's police dogs in real operations, sniffing out everything from drugs and weapons to counterfeit money. Ken Stott narrates. (S1, ep 9).

The Lady in the Lake: Carol Park's body was pulled from a lake more than 20 years after she vanished and the key to the case lay in unique forensics. (S4, ep 3).

The Canal Murders: It took 18 years to identify Melissa Halstead after her torso was found in a Rotterdam canal. But detectives never stopped working to catch her killer.

Judith Richardson: When police go to return Judith Richardson's stolen handbag, they find the 77-year-old dead and her home ransacked, prompting a manhunt. (S8, ep 7).

Moors Murders: Fred Dinenage reexamines the Moors Murders, one of the most infamous murder cases of the 20th century.

John Eric Armstrong: In 1999 and 2000, John Eric Armstrong prowled Detroit looking for sex workers. A seemingly normal father, no one suspected he was a killer. (S8, ep 3).

David Bieber: A fugitive from the United States murders one British police officer and tries to kill two more, sparking a nationwide search. (S7, ep 5).

Murdered Metres From Home: In 1986, 16-year-old Elaine Doyle was murdered just metres from her home - but catching her killer was no easy task. (S4, ep 7).

The Principle Suspect: A seemingly ordinary family man is the prime suspect when his wife, three young children and mother-in-law are brutally killed after church.

Richard Biegenwald: Over a 25-year career of murder, Richard Biegenwald killed at least six people as he sought out ever more inventive ways of dealing death. (S8, ep 4).

Ian Stewart: Jailed for the dreadful murder of a children's author, Ian Stewart receives a second conviction for the death of his wife, six years earlier. (S7, ep 6).

Nicola Stephenson - The Identity Thief Killer: When a woman's body is found in a bin in Lewes, police look for the perpetrator of a disturbing crime.

Amber Dubois & Chelsea King: Two teenage girls have the misfortune of crossing paths with a cold-blooded killer, one year apart.

A Killer in the Family: True crime series putting murders under the microscope and exploring how forensic science helped investigators solve them. (5 of 8).

Dorothea Puente: The story of the \"Death House Landlady\", who took in elderly and disabled tenants, only to murder them for their social security paychecks.

Til Death Do Us Part: Police painstakingly trawl through hours of CCTV footage, location data and forensic evidence to find the brutal killer of a heavily pregnant woman.

Irenia Cotner: After a home invasion attack, Illinois police uncover a shocking motive with an occult leader and her loyal followers at the centre of the deed. (S31, ep 10).

Kimberly Kessler: When a mother goes missing on her birthday, detectives have several possible suspects before focusing on a co-worker with a shocking past. (S31, ep 11).

Documentary following the work of Britain's police dogs in real operations, sniffing out everything from drugs and weapons to counterfeit money. Ken Stott narrates. (S1, ep 4).

Documentary series from New Zealand following the madness and mayhem faced by intrepid officers as they pull over motorists for a variety of suspected offences. (S15, ep 3).

Documentary series from New Zealand following the madness and mayhem faced by intrepid officers as they pull over motorists for a variety of suspected offences. (S15, ep 4).

Documentary following the men and women who help keep motorists safe on some of the most perilous highways and byways of New Zealand. (S8, ep 2).

Documentary following the men and women who help keep motorists safe on some of the most perilous highways and byways of New Zealand. (S8, ep 3).

Series shining a new light on modern policing in Manchester and the challenges faced by officers as they come face to face with a range of criminal and social issues. (S1, ep 10).

This observational documentary returns for a fifth series following the Thames Valley Police. Officers hit the jackpot in Slough's biggest ever drugs raid. Strong language. (S5, ep 1).

Cameras join officers from Australia's airports, harbours and mail services as they protect the nation from drug-smugglers, illegal products and unusual creepy-crawlies. (S10, ep 20).

The observational documentary series goes to the frontline of Australia's defence against customs, quarantine and immigration violations. (S8, ep 1).

Documentary following the work of Britain's police dogs in real operations, sniffing out everything from drugs and weapons to counterfeit money. Ken Stott narrates. (S1, ep 10).

Catching the Birmingham Spree Killer: In 2000, the bodies of three women were found in Birmingham. Could police hunt down the dangerous killer? (S4, ep 6).

The Principle Suspect: A seemingly ordinary family man is the prime suspect when his wife, three young children and mother-in-law are brutally killed after church.

Sobhia Khan: When Sobhia Khan was found dead in her home, attention quickly turned to Atual Mustafa, who she had recently married under Islamic law. (S8, ep 8).

Josef Fritzl: The actions of Austrian family captor and rapist Josef Fritzl, who held his daughter in his cellar for more than two decades, fathering seven of her children.

Richard Biegenwald: Over a 25-year career of murder, Richard Biegenwald killed at least six people as he sought out ever more inventive ways of dealing death. (S8, ep 4).

Ian Stewart: Jailed for the dreadful murder of a children's author, Ian Stewart receives a second conviction for the death of his wife, six years earlier. (S7, ep 6).

The Murder of Little Miss Nobody: Police have only a skeleton to help them piece together what happened to a body found 10 years after a murder. (1 of 8).

Jealousy is Murder: Detectives look back on the case of Elijah Butler, murdered four days after he married his wife - by her long-term stalker.

Richard Kuklinski: For Richard Kuklinski, crime was his way of life. As a professional murderer, his unusual methods led to a disturbing nickname, The Iceman. (S8, ep 5).

Stephen Unwin & William McFall: After striking up a friendship in prison for previous murders, Stephen Unwin and William McFall's release had awful consequences. (S7, ep 8).

After 40 years of silence, Lawrence Bittaker - one of America's most sadistic serial killers - speaks to investigator Laura Brand about his horrendous 1979 murder spree.

The Saturday Night Strangler: Thirty years after three gruesome murders, familial DNA and the exhumation of a body finally closes the case. (6 of 8).

Joel Rifkin: In 1993, police officers pulled over a young man for erratic driving. Within the car, they found the body of a murdered woman. (S9, ep 9).

Fire and Ice: An unlikely informant holds the key to justice when 59-year-old antique dealer Michael Griffiths is targeted and brutally killed in his home.

April Quick: After a man is found shot to death at a roadside park, the evidence trail leads detectives further into the man's complicated past. (S31, ep 12).

Sheila LaBarre: A lead in a missing persons investigation ends at a 115-acre farm, unearthing the site of a crime that went down in New Hampshire history. (S31, ep 13).

Documentary following the work of Britain's police dogs in real operations, sniffing out everything from drugs and weapons to counterfeit money. Ken Stott narrates. (S1, ep 5).

Documentary series from New Zealand following the madness and mayhem faced by intrepid officers as they pull over motorists for a variety of suspected offences. (S15, ep 5).

Documentary series from New Zealand following the madness and mayhem faced by intrepid officers as they pull over motorists for a variety of suspected offences. (S15, ep 6).

Officers Chris Piggott and Simon Hills are on the receiving end of a load of grief from a violent suspect they think has been trying to break into a car. Strong language. (S5, ep 3).

Elite cops Rosie and Darren are at the centre of a dramatic manhunt through the back gardens of a posh estate while Chris and Simon face a notorious drug addict in Milton Keynes. (S5, ep 5).

Documentary series following Australia's traffic enforcers. Officers face high-speed chases, defiant hooligans, explosive crashes and out-of-control drunk drivers. (S3, ep 10).

Documentary series following Australia's traffic enforcers. Officers face high-speed chases, explosive crashes and out-of-control drunk drivers. (S4, ep 1).

Documentary series charting the exploits of the City of London police, charged with safeguarding the Square Mile at the heart of the crime-ridden capital. (S4, ep 7).

Join Ireland's Customs teams as they, with the help of the Irish police, try to stop organised smugglers from bringing drugs, cars and even exotic animals into the country. (S1, ep 17).

Colin Pitchfork: He took the life of two 15-year-old girls and became the first person to be convicted of murder based on DNA fingerprinting evidence.

William Taylor: Divorce proceedings take a fatal turn when a wife teams up with her lover to get her husband out of the way for good.

Kicked To Death: Follow real-life murder cases from the first emergency call to the final verdict. Officers investigate the murder of Christoper Donovan by a gang of youths.

Kouider & Medouni - The Nanny Murder: The shocking story of the murder of French au pair Sophie Lionnet at the hands of the couple she worked for. (S1, ep 9).

Fred Dinenage examines the murders of Peter Manuel who was hanged for killing seven people in the 1950s, but not before confessing to killing many more. (S2, ep 6).

Peter Manuel: Fred Dinenage examines the murders of Peter Manuel who was hanged for killing seven people in the 1950s, but not before confessing to killing many more. (S2, ep 6).

Gordon Cummins: Blackout Ripper: Gordon Cummins struck in 1944 with the most gruesome spate of murders seen in London since Jack the Ripper. Fred Dinenage investigates. (S2, ep 8).

Too Young to Die: Jermaine Cools: 14-year-old Jermaine Cools is walking home when a fight breaks out involving an older boy brandishing a huge machete. (S2, ep 9).

Kayleigh Haywood: The story of a 15-year-old from Leicestershire, who was groomed by a man she met online before being lured to her death in 2015.

Ali Qazimaj: The story of the double murderer, who was found guilty of the brutal assassination of an elderly couple.

Murder in Suburbia: 35-year-old Zara Aleena was beaten to death just ten minutes from her home. The only evidence of the killer was one bloody fingerprint. (S3, ep 2).

Caught on CCTV: How police used CCTV, eyewitness statements and a public appeal to find the killer of a 28-year old woman, found dead on Nottingham's streets.

When a body is found in woodland hours after an elderly couple are reported missing, residents in the village are shocked that there's a killer in their midst. (S1, ep 1).

Monsters Recede But Never Vanish: Forensics chief Paul Holes works with a genetic genealogist to reconstruct the killer's family tree. (5 of 6).

Nicola Stephenson - The Identity Thief Killer: When a woman's body is found in a bin in Lewes, police look for the perpetrator of a disturbing crime.

The Ghost Killer: A twisted killer brutally targets the men of Flint, Michigan, knifing them on the city's streets. Experts dig into the mind of this murderer. (S1, ep 9).

Sarah Turney became a viral sensation when she posted suspicions on social media that her dad killed her sister Alissa. Now, Sarah re-examines their childhood.

Reality series following Ireland's border agents working in passport control, immigration, security, policing and various counterfeit departments. (S2, ep 7).

New & Exclusive. Documentary series from New Zealand following the mayhem faced by intrepid officers as they pull over motorists for a variety of suspected offences. (S19, ep 10).

New & Exclusive. Documentary series from New Zealand following the madness and mayhem faced by intrepid officers as they pull over motorists for a variety of suspected offences. (S20, ep 1).

New & Exclusive. Documentary series from New Zealand following the madness and mayhem faced by intrepid officers as they pull over motorists for a variety of suspected offences. (S20, ep 2).

New & Exclusive. Documentary series from New Zealand following the madness and mayhem faced by intrepid officers as they pull over motorists for a variety of suspected offences. (S20, ep 3).

New & Exclusive. Documentary series from New Zealand following the madness and mayhem faced by intrepid officers as they pull over motorists for a variety of suspected offences. (S20, ep 4).

New & Exclusive. Documentary series from New Zealand following the madness and mayhem faced by intrepid officers as they pull over motorists for a variety of suspected offences. (S20, ep 5).

New & Exclusive. Documentary series from New Zealand following the madness and mayhem faced by intrepid officers as they pull over motorists for a variety of suspected offences. (S20, ep 6).

New & Exclusive. Documentary series from New Zealand following the madness and mayhem faced by intrepid officers as they pull over motorists for a variety of suspected offences. (S20, ep 7).

New & Exclusive. Documentary series from New Zealand following the madness and mayhem faced by intrepid officers as they pull over motorists for a variety of suspected offences. (S20, ep 8).

Documentary series charting the exploits of the City of London police, charged with safeguarding the Square Mile at the heart of the crime-ridden capital. (S4, ep 8).

Join Ireland's Customs teams as they, with the help of the Irish police, try to stop organised smugglers from bringing drugs, cars and even exotic animals into the country. (S1, ep 18).

Ali Qazimaj: The story of the double murderer, who was found guilty of the brutal assassination of an elderly couple.

Kayleigh Haywood: The story of a 15-year-old from Leicestershire, who was groomed by a man she met online before being lured to her death in 2015.

Teenage Runaway: After going missing for a year and a half, many believed 14-year-old Chyenne had run away from home. However, closer analysis revealed the tragic truth.

Missing in Missouri: An aspiring daycare manager vanishes, leading detectives to investigate a jealous ex and a police officer with romantic intentions. (S1, ep 14).

The Murder of Little Miss Nobody: Police have only a skeleton to help them piece together what happened to a body found 10 years after a murder. (1 of 8).

Kouider & Medouni - The Nanny Murder: The shocking story of the murder of French au pair Sophie Lionnet at the hands of the couple she worked for. (S1, ep 9).

The Murder of Chris Donovan: Sutton looks back at the murder of an 18-year-old and how the young killers were caught. (S1, ep 3).

Michael Kerr: In Kent, two women target an aspiring DJ with learning difficulties, killing him in a brutal attack and then concocting a lie to cover up their crime.

Billy Dunlop: A profile of the killer who, after killing 22-year-old Julie Hogg, became the first person to be convicted under revised UK double-jeopardy laws.

Murder in the Woods: Mum Karen Doubleday was found murdered in the woods in 2002. The key to finding her killer lay in pollen spores from the Ice Age. (S3, ep 5).

Sarah Turney became a viral sensation when she posted suspicions on social media that her dad killed her sister Alissa. Now, Sarah re-examines their childhood.

Joel Rifkin: In 1993, police officers pulled over a young man for erratic driving. Within the car, they found the body of a murdered woman. (S9, ep 9).

Deadly Desires: A young mother of three is murdered in her own home. As the case starts to go cold, a phone call leads to a culprit hiding in plain sight. (S3, ep 6).

Kelly-Anne: As season five of the documentary series continues, this is a deep dive into another shocking murder that took place in Britain.

Mingzi Yang: The story of the 29-year-old student, brutally killed by her ex-husband in Lincoln in 2014.

The dog unit deals with a man who has barricaded himself in his house with his Rottweiler, while a woman who is thought to have overdosed disappears. (S5, ep 7).

Series shining a new light on modern policing in Manchester and the challenges faced by officers as they come face to face with a range of criminal and social issues. (S1, ep 8).

Action-packed documentary following rapid response officers, the fastest cops in Britain, as they crack down on crime. Time is of the essence! (S3, ep 1).

Documentary following the men and women who help keep motorists safe on some of the most perilous highways and byways of New Zealand. (S8, ep 4).

Documentary following the men and women who help keep motorists safe on some of the most perilous highways and byways of New Zealand. (S8, ep 5).

Documentary series following one of the UK's largest police forces, Greater Manchester Police, as they tackle crime and battle to keep the streets safe.

Officers raid a huge cannabis plantation with over 650 plants, enough to harvest £25,000 of weed a week, while cops hunt down two burglars on the run in Ascot. Strong language. (S5, ep 2).

Wales: From violent drunks and drug dealers to a dangerous domestic incident, this week's fix focuses on cops based in West Wales. (S1, ep 4).

Documentary following the work of Britain's police dogs in real operations, sniffing out everything from drugs and weapons to counterfeit money. Ken Stott narrates. (S1, ep 11).

Murdered Metres From Home: In 1986, 16-year-old Elaine Doyle was murdered just metres from her home - but catching her killer was no easy task. (S4, ep 7).

Jealousy is Murder: Detectives look back on the case of Elijah Butler, murdered four days after he married his wife - by her long-term stalker.

Sarah Henshaw: When mum of two Sarah Henshaw went missing in 2023, police launched an investigation which led them to recently-dumped partner Darren Hall. (S8, ep 9).

Josef Fritzl: The actions of Austrian family captor and rapist Josef Fritzl, who held his daughter in his cellar for more than two decades, fathering seven of her children.

Richard Kuklinski: For Richard Kuklinski, crime was his way of life. As a professional murderer, his unusual methods led to a disturbing nickname, The Iceman. (S8, ep 5).

Stephen Unwin & William McFall: After striking up a friendship in prison for previous murders, Stephen Unwin and William McFall's release had awful consequences. (S7, ep 8).

The Martial Arts Murder: When his parents are found dead, a man does everything he can to avoid being caught - but Luminol reveals a vital clue. (2 of 8).

The Suitcase Murderer: Detectives reflect on how they gathered evidence to charge Melanie McGuire with murder when her husband's remains were found in suitcases.

Richard Paul White: When police in Colorado interrogated Richard Paul White about the murder of his friend, he began confessing to even more horrifying crimes. (S1, ep 6).

Colin Campbell: Thirty-two years later, a convicted killer serving life for manslaughter is found to be guilty of having committed a second murder. (S7, ep 9).

Walk Into The Light: As the arrest of a former police officer unfolds in real time, chilling facts emerge and Michelle's foreshadowing comes to light. (6 of 6).

Rosemary Windle and Maurece Smith: A look at the murder of two pensioners in Torquay in 2010, who were killed by a money grabbing man who tricked his way into their lives. (S1, ep 5).

Murder on the Island: Experts analyse sand found in a car when a man goes missing, which leads them to a body and a twisted murder case. (7 of 8).

Charles Ng And Leonard Lake: The chilling case of a Hong Kong kleptomaniac and a Vietnam veteran who committed a series of horrific murders from their cabin in California.

Body in the Ditch: A computer at Vogue magazine held the key to identifying Julie Clayton, an ex-cult member who'd been assaulted and murdered upon leaving.

Charles Cullen: To some, nurse Charles Cullen was a friendly face, always willing to lend a hand. None suspected what he really was - a relentless and ruthless killer. (S9, ep 10).

Amber Andrews: A loving father gives his ex-wife a chance to reconcile, but later, Oklahoma police uncover a toxic love triangle and horrific crime scene. (S31, ep 14).

Documentary following the work of Britain's police dogs in real operations, sniffing out everything from drugs and weapons to counterfeit money. Ken Stott narrates. (S1, ep 6).

Documentary series from New Zealand following the madness and mayhem faced by intrepid officers as they pull over motorists for a variety of suspected offences. (S15, ep 7).

Documentary series from New Zealand following the madness and mayhem faced by intrepid officers as they pull over motorists for a variety of suspected offences. (S15, ep 8).

Documentary following the men and women who help keep motorists safe on some of the most perilous highways and byways of New Zealand. (S8, ep 6).

Documentary following the men and women who help keep motorists safe on some of the most perilous highways and byways of New Zealand. (S8, ep 7).

Documentary series following one of the UK's largest police forces, Greater Manchester Police, as they tackle crime and battle to keep the streets safe.

Officers Chris Piggott and Simon Hills are on the receiving end of a load of grief from a violent suspect they think has been trying to break into a car. Strong language. (S5, ep 3).

Devon/Cornwall: Adrenaline-fuelled documentary following Britain's police. This week's fix sees them tackling robbers, prostitutes and speed merchants in the West Country. (S1, ep 6).

Documentary following the work of Britain's police dogs in real operations, sniffing out everything from drugs and weapons to counterfeit money. Ken Stott narrates. (S1, ep 12).

The Murder of Little Miss Nobody: Police have only a skeleton to help them piece together what happened to a body found 10 years after a murder. (1 of 8).

The Suitcase Murderer: Detectives reflect on how they gathered evidence to charge Melanie McGuire with murder when her husband's remains were found in suitcases.

Dawn Walker: Just days after Dawn Walker married Thomas Nutt, the 52-year-old grandmother failed to meet her daughter - before a shocking discovery was made. (S8, ep 10).

Ian Paton: A look at the life of the killer who strangled his on-off partner Kayleigh Hanks while their baby daughter slept in the same room. (S2, ep 1).

Richard Paul White: When police in Colorado interrogated Richard Paul White about the murder of his friend, he began confessing to even more horrifying crimes. (S1, ep 6).

Colin Campbell: Thirty-two years later, a convicted killer serving life for manslaughter is found to be guilty of having committed a second murder. (S7, ep 9).

Murder at the Wedding: Bite marks in a block of cheese hold the key to catching a killer when he helps himself to a snack after a home invasion. (3 of 8).

Aulakh - Assassin's Accomplice: Shock pours through a community when a devoted mother is fatally attacked with a machete on her way to pick up her children.

Billy Mansfield Jr: Billy Mansfield Jr murdered at least five victims, but investigators suspect the extent of his serial killing is still to be revealed. (S8, ep 7).

Adrian Prout: A master manipulator is accused of the murder of his wife, and is eventually caught out by a polygraph test - and his own fiancée. (S7, ep 10).

Charles Cullen: To some, nurse Charles Cullen was a friendly face, always willing to lend a hand. None suspected what he really was - a relentless and ruthless killer. (S9, ep 10).

Sarah Turney became a viral sensation when she posted suspicions on social media that her dad killed her sister Alissa. Now, Sarah re-examines their childhood.

Cary Stayner: Also known as the Yosemite Park Killer, Cary Stayner murdered four women in 1999 before his capture. Were his actions the result of a tragic childhood.

The Canal Murders: It took 18 years to identify Melissa Halstead after her torso was found in a Rotterdam canal. But detectives never stopped working to catch her killer.

Teresa Kohnle: When a beloved family man dies in a house fire, an investigation suggests that dark reasons lay behind his death. (S31, ep 15).

Sherra Wright: When a professional basketball star is shot dead, the case goes cold for years until new evidence points to a mastermind close to home. (S31, ep 16).

Documentary following the work of Britain's police dogs in real operations, sniffing out everything from drugs and weapons to counterfeit money. Ken Stott narrates. (S1, ep 7).

Documentary series from New Zealand following the madness and mayhem faced by intrepid officers as they pull over motorists for a variety of suspected offences. (S15, ep 9).

Documentary series from New Zealand following the madness and mayhem faced by intrepid officers as they pull over motorists for a variety of suspected offences. (S15, ep 10).

Documentary following the men and women who help keep motorists safe on some of the most perilous highways and byways of New Zealand. (S8, ep 8).

Documentary following the men and women who help keep motorists safe on some of the most perilous highways and byways of New Zealand. (S8, ep 9).

Documentary series following one of the UK's largest police forces, Greater Manchester Police, as they tackle crime and battle to keep the streets safe.

Elite cops Rosie and Darren are at the centre of a dramatic manhunt through the back gardens of a posh estate while Chris and Simon face a notorious drug addict in Milton Keynes. (S5, ep 5).

Action-packed documentary following rapid response officers, the fastest cops in Britain, as they crack down on crime. Time is of the essence! (S3, ep 1).

Documentary following the work of Britain's police dogs in real operations, sniffing out everything from drugs and weapons to counterfeit money. Ken Stott narrates. (S1, ep 1).

The Martial Arts Murder: When his parents are found dead, a man does everything he can to avoid being caught - but Luminol reveals a vital clue. (2 of 8).

Aulakh - Assassin's Accomplice: Shock pours through a community when a devoted mother is fatally attacked with a machete on her way to pick up her children.

The Murder of Chris Donovan: Sutton looks back at the murder of an 18-year-old and how the young killers were caught. (S1, ep 3).

Hannegret Donnelly: The story of a woman who controlled her husband, Christopher, with horrific violence and abuse before finally killing him with a rolling pin. (S2, ep 2).

Billy Mansfield Jr: Billy Mansfield Jr murdered at least five victims, but investigators suspect the extent of his serial killing is still to be revealed. (S8, ep 7).

Adrian Prout: A master manipulator is accused of the murder of his wife, and is eventually caught out by a polygraph test - and his own fiancée. (S7, ep 10).

Murder By the Lake: True crime series putting murders under the microscope and exploring how forensic science helped investigators solve them. (4 of 8).

Malone - The Killer with No Conscience: The story of Garry Malone, who brutally bludgeoned his wife to death before making a bogus TV appeal for her to come home.

Steven Dean Gordon: After Jarrae Estepp's body was found at a recycling centre, police discovered that her murderer, Steven Dean Gordon, had killed before. (S8, ep 10).

Harry Jarvis: When Carol Jarvis vanished, doubts grew over her husband Harry's story - and sinister letters he sent his mistress did little to support his lies. (S8, ep 1).

A close-knit community is rocked by disappearance of a teenager. As the hours pass without trace, friends, family and neighbours begin to fear the worst. (S1, ep 2).

Masud - Unrequited Love: After ending her relationship, 15-year-old Maleha Masud pays the ultimate price when her ex-boyfriend starts a lethal blaze at her home. (S3, ep 5).

The Freezer Murders: Experts analyse the bodies of two women found in a freezer. Their untimely deaths would be linked to one vicious predator. (8 of 8).

Most Evil Killers. Rodney Alcala: Examining the murderer who appeared on a dating game show in the midst of a killing spree that may have claimed as many as 130 victims.

The Principle Suspect: A seemingly ordinary family man is the prime suspect when his wife, three young children and mother-in-law are brutally killed after church.

Judy Naylor: A family turn on each other after a man is found dead soon after bailing his stepdaughter out of jail for attempted murder. (S31, ep 17).

Purdie Clark: When a woman loses three romantic partners in the span of three years, Texas law enforcement looks to uncover the truth behind the tragic deaths. (S31, ep 18).

Documentary following the work of Britain's police dogs in real operations, sniffing out everything from drugs and weapons to counterfeit money. Ken Stott narrates. (S1, ep 8).

A man walking on the motorway inadvertently leads police straight to a bust and a sheep runs amok. (S16, ep 1).

The police get way more than they bargain for when they pursue a fleeing driver, then meet one of the drunkest men you'll ever see. (S16, ep 2).

Documentary following the men and women who help keep motorists safe on some of the most perilous highways and byways of New Zealand. (S8, ep 10).

Documentary following the men and women who help keep motorists safe on some of the most perilous highways and byways of New Zealand. (S1, ep 1).

Documentary series following one of the UK's largest police forces, Greater Manchester Police, as they tackle crime and battle to keep the streets safe.

Chris and Simon pull over a biker who's armed with nunchucks and Viagra; plus, there are OAPs driving dangerously and American shopkeepers fighting back against would-be robbers. (S5, ep 7).

Action-packed documentary following rapid response officers, the fastest cops in Britain, as they crack down on crime. Time is of the essence! (S3, ep 3).

Documentary following the work of Britain's police dogs in real operations, sniffing out everything from drugs and weapons to counterfeit money. Ken Stott narrates. (S1, ep 2).

Murder at the Wedding: Bite marks in a block of cheese hold the key to catching a killer when he helps himself to a snack after a home invasion. (3 of 8).

Malone - The Killer with No Conscience: The story of Garry Malone, who brutally bludgeoned his wife to death before making a bogus TV appeal for her to come home.

The Murder of Krystal Hart: Sutton details the investigation into a long-running feud between neighbours that took a deadly turn. (S1, ep 6).

Don Miller: In the span of a year, Don Miller raped and killed four people including his former fiancée. What drove him to commit these vicious crimes? (S2, ep 3).

Steven Dean Gordon: After Jarrae Estepp's body was found at a recycling centre, police discovered that her murderer, Steven Dean Gordon, had killed before. (S8, ep 10).

Harry Jarvis: When Carol Jarvis vanished, doubts grew over her husband Harry's story - and sinister letters he sent his mistress did little to support his lies. (S8, ep 1).

A Killer in the Family: True crime series putting murders under the microscope and exploring how forensic science helped investigators solve them. (5 of 8).

Parkinson / Blakeley - The Shallow Grave: 17-year-old Jayden Parkinson killed by her abusive boyfriend, Ben Blakeley, who then buried her in his uncle's grave.

Charles Ng And Leonard Lake: The chilling case of a Hong Kong kleptomaniac and a Vietnam veteran who committed a series of horrific murders from their cabin in California.

Jordan Monaghan: After killing his two children, Jordan Monaghan played the grieving father well. But a third death in 2019 saw detectives finally close the net. (S8, ep 3).

Joe O'Reilly: In 2004, Joe O'Reilly murdered his wife and made it look like a burglary gone wrong. Before being caught, he even appealed for information on TV. (S1, ep 1).

A Quiet Night Out: Robin Chard: As Robin Chard makes his way home to his wife, he crosses paths with two men who carry out a brutal and unprovoked attack on him.

Murder in the Woods: When 13 year-old Lucy is reported missing by her mother, police and forensic investigators begin the painstaking search for the truth. (S2, ep 1).

Horst Kroener: The disturbing case of 53-year-old German Horst Kroener, who was jailed in 2016 for murdering his Filipina wife in her sleep.

New & Exclusive. A Picture Perfect Family: The FBI investigates when a seemingly perfect husband flees the United States following the murder of his wife and three children.

Aria Armstead: When a man vanishes in Florida, police link an abandoned, blood-soaked vehicle to his case and use GPS to see if he is a victim or a killer. (S31, ep 21).

Hilma Marie Witte: Years after a beloved father is accidentally shot, the family matriarch mysteriously vanishes, prompting a disturbing investigation. (S31, ep 19).

Documentary following the work of Britain's police dogs in real operations, sniffing out everything from drugs and weapons to counterfeit money. Ken Stott narrates. (S1, ep 9).

A runaway driver clocks huge speeds as he flees from police, a motorcyclist goes head first through a car window and a man suffers an asthma attack - or does he? (S16, ep 3).

A driver flees a late-night crash scene; a chainsaw-wielding biker attracts police attention; and one of the weirdest breakdowns you'll see. (S16, ep 4).

Documentary following the men and women who help keep motorists safe on some of the most perilous highways and byways of New Zealand. (S1, ep 2).

Documentary following the men and women who help keep motorists safe on some of the most perilous highways and byways of New Zealand. (S1, ep 3).

Documentary series following one of the UK's largest police forces, Greater Manchester Police, as they tackle crime and battle to keep the streets safe.

Roma and Ronnie can't believe their eyes when a Slough driver blows the highest reading they've ever seen on a breathalyser and Chris busts an innovative supermarket thief. (S5, ep 9).

Action-packed documentary following rapid response officers, the fastest cops in Britain, as they crack down on crime. Time is of the essence! (S3, ep 5).

Documentary following the work of Britain's police dogs in real operations, sniffing out everything from drugs and weapons to counterfeit money. Ken Stott narrates. (S1, ep 3).

Murder By the Lake: True crime series putting murders under the microscope and exploring how forensic science helped investigators solve them. (4 of 8).

Parkinson / Blakeley - The Shallow Grave: 17-year-old Jayden Parkinson killed by her abusive boyfriend, Ben Blakeley, who then buried her in his uncle's grave.

The Murder of Bridget 'Bridie' Skehan: Sutton explores the murder of the 93-year-old landlady, beaten to death by a couple intent on stealing her home. (S1, ep 5).

Glyn Dix: His wife suffered a brutal murder at his hands. What drove Glyn Dix to commit this horrific murder? (S2, ep 4).

Charles Ng And Leonard Lake: The chilling case of a Hong Kong kleptomaniac and a Vietnam veteran who committed a series of horrific murders from their cabin in California.

Jordan Monaghan: After killing his two children, Jordan Monaghan played the grieving father well. But a third death in 2019 saw detectives finally close the net. (S8, ep 3).

The Saturday Night Strangler: Thirty years after three gruesome murders, familial DNA and the exhumation of a body finally closes the case. (6 of 8).

Mann - Deadly Deceit: The chilling story of Wendy Mann, whose life was taken in a jealous frenzy by her ex-partner and the father of her three children in 2015.

Richard Ramirez: Exhibiting cruelty, callousness, and viciousness beyond any human understanding, Richard Ramirez terrorised Los Angeles with his spate of home invasions.

Danville Neil: After killing Billy Bryan and Annie Castle, Danville Neil escaped justice for 30 years. But advances in forensics helped convict Neil in 2020. (S8, ep 4).

Sarah Turney became a viral sensation when she posted suspicions on social media that her dad killed her sister Alissa. Now, Sarah re-examines their childhood.

Wolfgang / Beate Schmidt: The case of \"The Pink Giant\", Wolfgang Schmidt (later Beate), a transgender German serial killer who brutally murdered five women and an infant.