Reality series following Ireland's border agents working in passport control, immigration, security, policing and various counterfeit departments. (S2, ep 10).

Documentary series from New Zealand following the madness and mayhem faced by intrepid officers as they keep the roads safe. (S22, ep 5).

Documentary series from New Zealand following the madness and mayhem faced by intrepid officers as they keep the roads safe. (S22, ep 6).

Documentary series from New Zealand following the madness and mayhem faced by intrepid officers as they keep the roads safe. (S22, ep 7).

Documentary series from New Zealand following the madness and mayhem faced by intrepid officers as they keep the roads safe. (S22, ep 8).

Documentary series from New Zealand following the madness and mayhem faced by intrepid officers as they keep the roads safe. (S22, ep 9).

Documentary series from New Zealand following the madness and mayhem faced by intrepid officers as they keep the roads safe. (S22, ep 10).

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).

Reality series following Ireland's border agents working in passport control, immigration, security, policing and various counterfeit departments. (S2, ep 4).

Daniel Gonzalez - Freddy Krueger Killer: The story of the killer who took four lives during a chilling two-day killing spree in 2004 after being inspired by horror films.

The Ding Family: The murders of 12-year-old Alice, her sister 18-year-old Xing, and their parents Jifeng and Ge at their Northampton home by businessman Anxiang Du.

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

Killer Performance: A daycare owner is found strangled in her own home, and evidence shows a possible romance in a friendship group and a sketchy admirer. (S1, ep 19).

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

Yingying Zhang: After missing her bus, Yingying Zhang is offered a lift by a man posing as a policeman. This fateful encounter would lead to her horrific murder.

Sally Lawrence: Iain Lawrence was a family man, a businessman, a success. But if you scratched beneath the surface, a darker picture emerged. (S2, ep 1).

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

Geoffrey Evans & John Shaw: The story of serial killer Geoffrey Evans and his accomplice John Shaw, who hit headlines in 1976 after the murders of two women in Ireland.

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).

Beautiful Bayview, Beautiful Babes: After The Teachers Pet podcast captured the world's attention, Chris Dawson is arrested four decades after his wife vanished. (1 of 4).

Teacher, the Groomer, the Killer. Everything That Glitters: The story darkens as Joanne Curtis begins an affair with Chris. Contains themes of sexual abuse. (2 of 4).

Nadine Aburas: When a woman is found dead in a hotel, police realise that an apparent suicide is not what it seems, leading to a manhunt that crosses borders.

The Ties That Bind: A wealthy trader is shot while his family is tied up. Police dig into affairs, mob links and a missing coworker, until a new lead arrives. (S3, ep 9).

Laureline Garcia-Bertaux: Friends of French filmmaker Laureline Garcia-Bertaux become concerned after she fails to turn up to work.

Terry Edmonds: When a teenager disappears without trace at a Kent train station, painstaking forensic evidence is used to unmask her killer.

There is a tense stand-off as officers try to talk down a man brandishing a samurai sword, while the cells fill up during a busy Saturday night in Newcastle. (S5, ep 10).

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.

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 6).

A fisherman finds himself in hot water and so does a drunk driver who can barely stand, as the Highway Cops continue their patrol of New Zealand's busiest roads. (S4, ep 4).

A dust cloud wreaks havoc on the Canterbury Plains and the cops sniff out some diesel fraud. (S4, ep 5).

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 11).

More action-packed endeavours from the Proactive Elite Unit. Tonight, the team tackle Russian scam artists, a mini-moto menace and a dangerous driver. Strong language. (S6, ep 19).

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).

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.

The Body Under the Stairs: A woman's killer remains at large for more than 30 years, until forensic investigators track him down with a tiny clue at the scene. (S2, ep 12).

The Widower - Malcolm Webster: 17 years after his wife died in a car accident, Malcolm Webster became the focus of Scotland's longest ever criminal trial. (S4, ep 6).

Adrian Greenwood: Deep in debt, Michael Danaher had written a list of famous and wealthy targets, but his plans would result in vicious murder. (S2, ep 10).

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.

Todd Christopher Kohlhepp: A chilling profile of the vicious serial killer who claimed the lives of at least seven innocent people between 2003 and 2016.

The Sunderland Strangler - Steven Grieveson: Steven Grieveson murdered four teenage boys before his capture. But what was his motive.

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).

Letter From the Grave - Mark Jensen: When Julie Jensen is found dead, police suspect her husband Mark of murder - despite the seemingly happy family life. (S4, ep 7).

Daniel Lee Siebert: A look at the life of the American serial killer, who was convicted of three murders but confessed to many more.

The Railway Killers - John Duffy and David Mulcahy: A profile of the two murderers who terrorised Britain in the 1980s with a string of attacks near railway stations.

Nadine Aburas: When a woman is found dead in a hotel, police realise that an apparent suicide is not what it seems, leading to a manhunt that crosses borders.

Sophie Lancaster: An in-depth look at the horrific murder of 20-year-old Sophie Lancaster, who was attacked by a gang of teenagers in a park in Bacup, Lancashire in 2007. (S1, ep 8).

The Head on the Beach Murder: When body parts wash up on a beach in Arbroath, forensic investigators must unravel the disturbing truth behind a woman's death. (S2, ep 9).

David Berkowitz: A profile of the serial killer who found himself at the center of New York's biggest manhunt after a vicious shooting spree that left six dead.

Swope - Deadly Greed: Documentary lifting the lid on police investigations into some of the most incredible murder cases in criminal history. (S3, ep 9).

Priscilla Matula: Members of a close-knit family begin to turn on each other when a beloved Georgia grandmother is shot execution style.

Gloria Aiken: Just as a missing person's case is about to go cold, detectives make a horrifying discovery in a lake and begin to unravel the dark secrets in a relationship.

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 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. (S17, 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. (S17, ep 8).

A driver having a little too much fun on a South Island road trip is caught downing beers, and a couple on their honeymoon have trouble keeping their eyes on the road. (S4, ep 6).

The rescue chopper is called upon when there's a crash on the rainy roads of the Southern Alps. An unlucky driver's Nissan has been damaged by both a rock and an axe. (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 12).

Road Wars skids to a halt in this action-packed, adrenaline fuelled finale. Tonight's endeavours include a high-speed pursuit and a dodgy drug stakeout. (S6, ep 20).

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).

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.

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).

Letter From the Grave - Mark Jensen: When Julie Jensen is found dead, police suspect her husband Mark of murder - despite the seemingly happy family life. (S4, ep 7).

The Murder of Thomas Cressman: In 2000, Thomas Cressman was killed in the flat that he shared with Jane Andrews, a former royal dresser who fled the scene. (S3, ep 3).

When Paths Cross: Debbie Buxton: While walking her dogs at a local beauty spot, Debbie Buxton is killed in a frenzied and unprovoked attack by David Bond.

Daniel Lee Siebert: A look at the life of the American serial killer, who was convicted of three murders but confessed to many more.

The Railway Killers - John Duffy and David Mulcahy: A profile of the two murderers who terrorised Britain in the 1980s with a string of attacks near railway stations.

The Mum Who Never Came Home: After Michelle Gunshon disappeared, police found CCTV footage showing her with a mystery man. They tracked him down, but where was she? (S3, ep 7).

Killer Women - Kaitlin Armstrong - Malicious Intent: When elite racer Anna Wilson was shot and killed, police launched a manhunt to Costa Rica in search of Kaitlin Armstrong. (S4, ep 8).

Sante And Kenneth Kimes: An investigation into the murderous mother-and-son duo, who killed their elderly landlady in a greed-fuelled ploy.

Killer Women - Tracie Andrews: A profile of the former aspiring model who stabbed her fiance 42 times, before blaming the attack on a fictional road rage assailant.

Clarke - A Trained Killer: With a thirst for blood and a knife obsession, Michael Clarke believed it was his destiny to kill, and his parents were the victims.

Delroy Grant: Colin Sutton revisits the case of The Night Stalker - serial rapist Delroy Grant, and reveals how he brought his 17-year reign of terror to an end. (S1, ep 1).

The Hillside Stranglers: A look at the lives and crimes of a duo of cousins who, together, took the lives of 10 girls and women aged between 12 and 28.

Delgado - Poisonous Possession: Documentary lifting the lid on police investigations into some of the most incredible murder cases in criminal history. (S3, ep 9).

Barbara Burns: After the deceased body of a woman is found in an abandoned trailer, investigators uncover the dark truth of what happens when someone is pushed too far.

Patricia Brown: Investigators lock in robbery as a motive when a man is killed in North Carolina. But years later, a mysterious letter reveals an even more sinister motive.

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 8).

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. (S17, 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. (S17, ep 10).

There's trouble for speeding tourists who take a corner way too fast, and also for a man who tries to cheat the registration system when he's caught out by his ex-wife. (S4, ep 8).

Near Dunedin, a driver claims to be sober despite having thrown up in his car. Also, a minivan ends up on its side and a biker gets schooled on the rules of the road. (S4, ep 9).

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 13).

Action-packed exploits include the high-speed pursuit of a drug-dealer and a confrontation with joy-riders. Strong language. (S7, 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 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.

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).

Killer Women - Kaitlin Armstrong - Malicious Intent: When elite racer Anna Wilson was shot and killed, police launched a manhunt to Costa Rica in search of Kaitlin Armstrong. (S4, ep 8).

The Murder of Kyser Osman: Ex-detective Colin Sutton revisits the murder of 15-year-old Kyser Osman, who was stabbed by shockingly young offenders. (S3, ep 6).

Death at the Door: Ron Browning: In 2015, a bizarre home invasion leaves 69-year-old pastor Ron Browning dead when he opens his door to 19-year-old Camille Brown.

Sante And Kenneth Kimes: An investigation into the murderous mother-and-son duo, who killed their elderly landlady in a greed-fuelled ploy.

Killer Women - Tracie Andrews: A profile of the former aspiring model who stabbed her fiance 42 times, before blaming the attack on a fictional road rage assailant.

Catching the Rochdale Ripper: When mum of three Eileen Jawczak was murdered, clues were minimal. Could police link her death to the Rochdale Ripper? (S3, ep 8).

Love Always in God - Benjamin Laing: Six days after Matthew Manwaring and his daughter Alison vanish, police uncover a grisly scene at Benjamin Laing's home. (S4, ep 9).

David Berkowitz: A profile of the serial killer who found himself at the center of New York's biggest manhunt after a vicious shooting spree that left six dead.

Harold Shipman: A profile of one of the most prolific serial killers in history. With an estimated victim-count of 250, what drove his horrific crimes.

A Wife's Secret: Nikki Sue Entzel dials 911 to report a fire at her home, but the supposed accidental house fire turns into a murder investigation. (S1, ep 3).

Carlson - The Stranger in The Night: Documentary lifting the lid on police investigations into some of the most incredible murder cases in criminal history. (S3, ep 7).

The Murder in the Tower Block: When a body is found in a flat, a trail of forensic evidence allows detectives to distinguish between friend and foe. (S2, ep 10).

William Bonin - Freeway Killer: The story of the savage serial killer who took the lives of over 21 victims and left their bodies strewn across freeways in California.

51 Days of Fear - Howell Donaldson III: The Tampa area of Seminole Heights is gripped by terror after shootings claim the lives of four innocent victims. (S4, ep 1).

Dephne Wright: When the romantic rival of Daphne Wright winds up dead, she finds herself accused of the murder and facing the death penalty.

Patty James: An unexpected confession throws investigators as they work to find a motive when a beloved father is found dead in his driveway.

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 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. (S18, 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. (S18, ep 2).

The final episode of the season comes with plenty of drama as a crash manages to knock out the power to all of Clyde. (S4, 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. (S5, ep 1).

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 14).

Dog handler Darryl attempts to defuse a pub fight, the Tactical Aid Group execute two flat raids and the Road Crime Unit are in hot pursuit of a dangerous driver. (S7, ep 3).

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 10).

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.

The Mum Who Never Came Home: After Michelle Gunshon disappeared, police found CCTV footage showing her with a mystery man. They tracked him down, but where was she? (S3, ep 7).

Love Always in God - Benjamin Laing: Six days after Matthew Manwaring and his daughter Alison vanish, police uncover a grisly scene at Benjamin Laing's home. (S4, ep 9).

The Murder of Marta Ligman: Ex-detective Colin Sutton revisits the brutal murder of deli worker Marta Ligman, killed by her controlling boyfriend and placed in a suitcase. (S3, ep 7).

No Way Home: Matthew Shepard: When Matthew accepts a ride home from two men, his case makes headline news when he is tortured and left for dead in a hate-fuelled attack.

David Berkowitz: A profile of the serial killer who found himself at the center of New York's biggest manhunt after a vicious shooting spree that left six dead.

Harold Shipman: A profile of one of the most prolific serial killers in history. With an estimated victim-count of 250, what drove his horrific crimes.

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).

A Cold-Hearted Killing - Douglas Ward: When young kickboxing champion Niall Dorr was beaten to death in Dundalk, CCTV helped detectives convict his killer. (S4, ep 10).

Lonnie Franklin - The Grim Sleeper: The story of the brutal Los Angeles serial killer. Nine innocent women and a teenage girl lost their lives at his hands.

Dale Cregan: A profile of the serial killer who was sentenced to life in prison after the senseless murders of two men and two police officers in 2012.

Catherine Nevin: A supposed violent break-in - which left Catherine Nevin's husband dead - was initially seen as a robbery gone wrong. until police dug deeper. (S1, ep 4).

No Way Home: Matthew Shepard: When Matthew accepts a ride home from two men, his case makes headline news when he is tortured and left for dead in a hate-fuelled attack.

The Murder with No Body: The tragic case of 22-year-old Helen McCourt, who got off a bus one night in her hometown but never arrived at her nearby home. (S2, ep 11).

Sunset Strip Killers: The story of two killers who targeted young girls and sex workers for their own twisted pleasure. Descriptions of sexual violence and child abuse.

Tears of a Clown - Gordon Wardell: After Gordon Wardell makes an emotional appeal to find his wife's killers, police soon realise they must look closer to home. (S4, ep 2).

Karen Coleman: It takes almost two decades for law enforcement to unravel a twisted murder plot that saw a local man horrifically murdered in Missouri.

Angela McGraw-Hester: Police are left with a gruesome crime scene to investigate, with an assailant on the loose and a missing child to find.

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 10).

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. (S18, 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. (S18, 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. (S5, 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. (S5, ep 3).

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 15).

A car thief causes chaos in Torquay, the Road Crime Unit track a Mercedes Benz loaded with cocaine in Plymouth, and it's training day for the Tactical Aid Group. (S7, ep 4).

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

Catching the Rochdale Ripper: When mum of three Eileen Jawczak was murdered, clues were minimal. Could police link her death to the Rochdale Ripper? (S3, ep 8).

A Cold-Hearted Killing - Douglas Ward: When young kickboxing champion Niall Dorr was beaten to death in Dundalk, CCTV helped detectives convict his killer. (S4, ep 10).

The Murder of Ronnie Cook: Ex-detective Colin Sutton revisits the murder of Ronnie Cook, killed by his lover who was later dubbed 'the Black Widow'. (S3, ep 8).

The Hitchhiker: Celine Figard: 19-year-old Celine accepts a ride from a lorry driver, but never makes it to her destination. Ten days later, her body is found. (S1, ep 9).

Lonnie Franklin - The Grim Sleeper: The story of the brutal Los Angeles serial killer. Nine innocent women and a teenage girl lost their lives at his hands.

Dale Cregan: A profile of the serial killer who was sentenced to life in prison after the senseless murders of two men and two police officers in 2012.

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).

Megan Newton - The Opportunist Murder: After a teenager is murdered in her flat, police try to find her killer, starting with a set of bloodstained keys.

Richard Roszkowski: A profile of the triple-murderer who killed his ex-girlfriend, her nine-year-old daughter and another man in a brutal attack.

Arthur Hutchinson: A look at the life of the notorious murderer, who broke into a home and took the lives of three family members in a senseless killing.

McMahan and Kauffman: Tragedy strikes rural Iowa as two women are found murdered in their homes. When a local bank is robbed the same day, investigators connect the crimes. (S3, ep 1).

Beautiful Bayview, Beautiful Babes: After The Teachers Pet podcast captured the world's attention, Chris Dawson is arrested four decades after his wife vanished. (1 of 4).

Teacher, the Groomer, the Killer. Everything That Glitters: The story darkens as Joanne Curtis begins an affair with Chris. Contains themes of sexual abuse. (2 of 4).

Lonnie Franklin - The Grim Sleeper: The story of the brutal Los Angeles serial killer. Nine innocent women and a teenage girl lost their lives at his hands.

Opportunity For Riches - Steven Sidebottom: Initially deemed accidental, handyman Brian McKandie's death was soon considered murder due to his severe injuries. (S4, ep 3).

Sheila Aidoo: When two Ghanaian immigrants are discovered murdered in their upscale Maryland home, police are confronted with bizarre evidence involving voodoo rituals.

Shirley Nelson: The astonishing story of a scorned wife, an unfaithful husband, a murder-suicide attempt, and a crime scene at a cartoonist's office. (S31, 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 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. (S18, 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. (S18, ep 6).

Conrad and Simon close in on one of Thames Valley's 'Most Wanted', but will the fugitive come quietly? A helicopter tracks the movements of a slippery character. Strong language. (S6, ep 3).

More full-throttle action in the fly-on-the-wall series. In tonight's instalment: a nasty gang mugging, a high-speed pursuit and a mouthy youth. Strong language. (S6, ep 5).

Documentary series following Australia's traffic enforcers. Officers face high-speed chases, explosive crashes and out-of-control drunk drivers. (S4, ep 8).

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

Reality series following Ireland's border agents working in passport control, immigration, security, policing and various counterfeit departments. (S2, ep 5).

Geoffrey Evans & John Shaw: The story of serial killer Geoffrey Evans and his accomplice John Shaw, who hit headlines in 1976 after the murders of two women in Ireland.

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

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.

Jeralee Underwood: The story of 11-year-old Jeralee, who was lured into the car of James Edward Wood - a man with no reason to harm but a strong desire to kill.

The Monster of Worcester: Fred Dinenage investigates what madness compelled lodger David McGreavy to impale the bodies of three children on garden railings in 1973.

John Haigh - The Acid Bath Murderer: Fred Dinenage investigates 1940s murderer John George Haigh, who notoriously dissolved his victims' bodies in acid. (S1, ep 1).

The Cullens Robbery: A look at the investigation into the attempted murders of Gary Mullins and Colin Meek during an armed robbery in 1994. (S2, ep 2).

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

Mark Martin: The Sneinton Strangler: The chilling story of Mark Martin, who murdered three homeless women in his quest to become Nottingham's first serial killer.

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.

Edmund Kemper: Criminologists profile Edmund Kemper aka \"The Co Ed Butcher\", the American serial killer whose spate of killings lasted from 1964 to 1973.

A Wife's Secret: Nikki Sue Entzel dials 911 to report a fire at her home, but the supposed accidental house fire turns into a murder investigation. (S1, ep 3).

Clarke - A Trained Killer: With a thirst for blood and a knife obsession, Michael Clarke believed it was his destiny to kill, and his parents were the victims.

Catherine Nevin: A supposed violent break-in - which left Catherine Nevin's husband dead - was initially seen as a robbery gone wrong. until police dug deeper. (S1, ep 4).

Debbie Starbuck: A woman heads off on an extended honeymoon but her out-of-character contact worries her friends, resulting in a tragic discovery.

McMahan and Kauffman: Tragedy strikes rural Iowa as two women are found murdered in their homes. When a local bank is robbed the same day, investigators connect the crimes. (S3, ep 1).

The Ties That Bind: A wealthy trader is shot while his family is tied up. Police dig into affairs, mob links and a missing coworker, until a new lead arrives. (S3, ep 9).

Astonishing footage including a man who takes his frustrations out on the camera when the police corner him, and a dramatic cross country police pursuit. Strong language. (S1, ep 4).

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 8).

Documentary series from New Zealand following the madness and mayhem faced by officers as they pull over motorists for a variety of suspected offences. (S1, ep 1).

Documentary series from New Zealand following the madness and mayhem faced by officers as they pull over motorists for a variety of suspected offences. (S1, ep 2).

Documentary series from New Zealand following the madness and mayhem faced by officers as they pull over motorists for a variety of suspected offences. (S1, ep 3).

Documentary series from New Zealand following the madness and mayhem faced by officers as they pull over motorists for a variety of suspected offences. (S1, ep 4).

Documentary series from New Zealand following the madness and mayhem faced by officers as they pull over motorists for a variety of suspected offences. (S1, ep 5).

Documentary series from New Zealand following the madness and mayhem faced by officers as they pull over motorists for a variety of suspected offences. (S1, ep 6).

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 6).

Reality series following Ireland's border agents working in passport control, immigration, security, policing and various counterfeit departments. (S2, ep 6).

Mark Martin: The Sneinton Strangler: The chilling story of Mark Martin, who murdered three homeless women in his quest to become Nottingham's first serial killer.

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

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.

New & Exclusive. Can't Move On: When a vibrant young hotel worker is stabbed to death, police reveal a set of interconnecting relationships - each with a potential motive. (S1, ep 20).

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).

Jeralee Underwood: The story of 11-year-old Jeralee, who was lured into the car of James Edward Wood - a man with no reason to harm but a strong desire to kill.

Sian Blake: Colin Sutton and team make a horrific discovery when 43-year-old Eastenders actress Sian Blake and her two children are reported missing in 2015. (S2, ep 3).

Yvonne McCann: The tragic story behind the killing of Yvonne McCann, murdered by her husband after a row at home in 2020.

Malcolm Green: The story of Malcolm Green, who was jailed for life for the brutal murder of a Cardiff prostitute, only to kill again when he was released after 18 years.

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.

Teacher, the Groomer, the Killer. Unlikely Heroes: As Chris' mistress moves in, two detectives begin their investigations. Contains themes of sexual abuse. (3 of 4).

Teacher, the Groomer, the Killer. Reasonable Doubt: As a number of new leads emerge in 2014, the police reopen the case. Contains themes of sexual abuse. (4 of 4).

Debbie Starbuck: A woman heads off on an extended honeymoon but her out-of-character contact worries her friends, resulting in a tragic discovery.

Wicked Night Out: When a young mother is found dead in a field after a night out, police scour security video to retrace a suspect's steps. (S3, ep 10).

Vikki Thompson: When a young mother was bludgeoned to death in Oxfordshire, the hunt to bring her killer to justice would take more than 15 years.

Yang Liu: An obsessive gambler murders his wealthy friend before adopting his identity to fund his extravagant lifestyle.

A Special Constable gets an unpleasant introduction to frontline policing. Officers respond to an urgent call in Newcastle's city centre. (S6, 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.

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 9).

Documentary following the men and women who help keep motorists safe on some of the most perilous highways and byways of New Zealand. (S5, 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. (S5, ep 5).

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 16).

Observational documentary series gaining exclusive access to the UK Border Agency to reveal the action behind the scenes of immigration at Heathrow and in Calais. (S1, 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).

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).

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).

Megan Newton - The Opportunist Murder: After a teenager is murdered in her flat, police try to find her killer, starting with a set of bloodstained keys.

The Day Family: True-crime series following former detective Colin Sutton as he revisits the locations of various important cases and reveals how they were solved. (S4, ep 1).

After Dark: India Chipchase: After a night out, 20-year-old India is lured to her death by man who was overheard telling her he would 'get her home safe.

Richard Roszkowski: A profile of the triple-murderer who killed his ex-girlfriend, her nine-year-old daughter and another man in a brutal attack.

Arthur Hutchinson: A look at the life of the notorious murderer, who broke into a home and took the lives of three family members in a senseless killing.

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).

Nadine Aburas: When a woman is found dead in a hotel, police realise that an apparent suicide is not what it seems, leading to a manhunt that crosses borders.

Cesar Barone: A profile of the serial killer who took the lives of four innocent women before being handed the death sentence.

Andrew Dawson: A profile of the double-killer who branded himself the 'Angel of Mercy', after murdering two of his neighbours in cold blood.

Debbie Starbuck: A woman heads off on an extended honeymoon but her out-of-character contact worries her friends, resulting in a tragic discovery.

Buried In The Garden For 15 Years: A woman teams up with her husband to kill her own parents, before burying them and pretending they were alive for 15 years. (S3, ep 1).

The Body Under the Stairs: A woman's killer remains at large for more than 30 years, until forensic investigators track him down with a tiny clue at the scene. (S2, ep 12).

Patrick Wayne Kearney - Trash Bag Killer: The story of one of the most prolific serial killers in America, with a victim list of at least 25 - the youngest aged just five.

The Highway Hunter - Adam Leroy Lane: When police find the body of Monica Massaro in her home with 17 stab wounds, they're led to serial killer Adam Leroy Lane. (S4, ep 4).

The Shotgun Killer: A look into the mind of a young man who terrified locals in Columbia, South Carolina with a cold-blooded shooting spree. (S1, ep 1).

Catherina Voss: A picture-perfect Navy family is shattered when the father is found shot to death after returning home from deployment. (S31, ep 2).

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 2).

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. (S18, 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. (S18, 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. (S5, 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. (S5, 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).

The observational documentary series continues. At Heathrow Terminal 3, officers stop a student from entering the UK, while the team in Calais search lorries for illegal immigrants. (2/8).

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).

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).

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).

Nadine Aburas: When a woman is found dead in a hotel, police realise that an apparent suicide is not what it seems, leading to a manhunt that crosses borders.

The Chohan Family: True-crime series following former detective Colin Sutton as he revisits the locations of various important cases and reveals how they were solved. (S4, ep 2).

Deadly Obsession: Cheryl Moss: The shocking case of a woman stabbed more than 70 times by a teenager who researched murder and serial killers on the internet. (S2, ep 1).

Cesar Barone: A profile of the serial killer who took the lives of four innocent women before being handed the death sentence.

Andrew Dawson: A profile of the double-killer who branded himself the 'Angel of Mercy', after murdering two of his neighbours in cold blood.

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).

Debbie Starbuck: A woman heads off on an extended honeymoon but her out-of-character contact worries her friends, resulting in a tragic discovery.

John Allen and Lee Malvo: The story of the Beltway sniper attacks. John Allen and his teenage accomplice carried out the brutal series of shootings that killed 10.

Stephen Seddon: A look at the life of the convicted fraudster who murdered his parents in a cold-blooded crime driven by greed.

Blackwell - The Straight A Killer: Indulging himself and his girlfriend in unaffordable luxury, Brian Blackwell killed his parents before another spending spree.