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. (S19, 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. (S19, 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. (S6, 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. (S6, ep 7).

Reality series following Ireland's border agents working in passport control, immigration, security, policing and various counterfeit departments. (S2, ep 2).

In the final instalment of the series, the Manchester enforcement team conducts raids in Rochdale in search of illegal workers, while a man is deported to Nigeria. (8/8).

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 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 9).

Bill Williamson: A look at the shocking death of popular 82-year-old Bill Williamson, whose body was found in the garden of his partner in Godalming, Surrey in 2010. (S1, ep 3).

Michael Ryan: A murder begins a tawdry tale of stolen money, an international escape attempt and an email from the supposed killer keen to sell his story.

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).

A History of Violence: Conner Marshall: When 18-year-old Conner Marshall is enjoying a holiday with friends, he's approached late at night by a stranger. (S2, ep 7).

Gary Ray Bowles: The story of the I-95 killer, who brutally killed six men in 1994 before being executed three years later.

Stephen Farrow: A profile of the double-murderer who killed a 77-year-old teacher and a 59-year-old reverend in two frenzied attacks.

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).

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.

Derrick Todd Lee: The story of The Baton Rogue Serial Killer, known for murdering seven women in the area and sentenced to death for his chilling crimes.

Victor Farrant: A look at the life and crimes of the murderer. Upon being released from prison for rape and GBH, he struck again, and this time his victim wouldn't survive.

Dighton - A Deadly Hangover: When his parents criticised him for his idle behaviour, Daniel Dighton stabbed them to death before blaming his crime on a hangover.

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).

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).

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

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 Sniper's Bullet: When a man is found shot dead on a roadside in rural Ohio, it looks like a hunting accident. But then more outdoorsmen are found dead. (S1, ep 7).

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).

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).

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. (S19, ep 9).

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).

Documentary following the men and women who help keep motorists safe on some of the most perilous highways and byways of New Zealand. (S6, 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. (S6, ep 9).

Reality series following Ireland's border agents working in passport control, immigration, security, policing and various counterfeit departments. (S2, ep 3).

Series two of the powerful and provocative documentary. Find out how the UK Border Agency enforces immigration and custom regulations both in the UK and abroad. (1/10).

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).

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).

Dawn Walker: A look at the shocking murder of 37-year-old Dawn Walker, whose badly burned body was found near Bury St Edmunds in Suffolk in 2005. (S1, ep 4).

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.

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).

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).

Derrick Todd Lee: The story of The Baton Rogue Serial Killer, known for murdering seven women in the area and sentenced to death for his chilling crimes.

Victor Farrant: A look at the life and crimes of the murderer. Upon being released from prison for rape and GBH, he struck again, and this time his victim wouldn't survive.

Jane Longhurst: A shocking look at the chilling case surrounding the murder of teacher Jane Longhurst, whose body was found in a West Sussex beauty spot in 2003. (S1, ep 6).

The Killer Within. Kim Edwards and Lucas Markham: 14-year-old Kim teamed up with her boyfriend to kill her own mother and sister in cold blood - but why? (S1, ep 1).

Chester Turner: The story of the cold-blooded serial killer who took the lives of eleven people during a terrifying decade-long murder campaign.

Kenneth Regan & William Horncy: The shocking story of the two men who murdered a millionaire and three generations of his family in a vicious, greed-fuelled attack.

The Stepmom: Letecia Stauch reported that her 11-year-old stepson hadn't come home, but what followed was a trial of deceit, secrets and murder. (S1, ep 5).

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

Murder in the Playground: Naomi Smith went to post a letter for her mother and never returned. Could a bite mark on her body help find her killer? (S3, ep 6).

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.

Stuart Ludlam: A look at the murder of taxi driver Stuart Ludlam, who was executed at point-blank range by gun fanatic Colin Cheetham in a random attack in Derbyshire in 2009. (S1, ep 1).

Swamp Killer: The body of a young mother is found in a lake, her baby is missing. And it soon emerges that they aren't the only locals who have wound up dead. (S1, 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 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).

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).

Documentary following the men and women who help keep motorists safe on some of the most perilous highways and byways of New Zealand. (S6, 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 1).

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

The probing documentary series continues to examine and explore immigration laws. This week's focus is on asylum seekers in Calais, who sneak aboard trucks heading to Britain. (2/10).

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).

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).

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).

The Killer Within. Kim Edwards and Lucas Markham: 14-year-old Kim teamed up with her boyfriend to kill her own mother and sister in cold blood - but why? (S1, ep 1).

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

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).

Chester Turner: The story of the cold-blooded serial killer who took the lives of eleven people during a terrifying decade-long murder campaign.

Kenneth Regan & William Horncy: The shocking story of the two men who murdered a millionaire and three generations of his family in a vicious, greed-fuelled attack.

Andrew Nunes: A look at the murder of male model Andre Nunes, who was kidnapped and killed in Worcestershire in a shocking case of mistaken identity. (S1, ep 7).

Rodrigo Hernandez - The Grand Rapids Killer: What drives a man to murder a stranger? Detectives reflect on the case of Hernandez, who did just that. (S1, ep 2).

Genene Jones: The chilling story of the serial killer who worked as a nurse in Texas, where she killed many children and infants by injecting them with drugs.

Philip Austin: A profile of the man who murdered his wife, two children and two dogs on one terrifying day.

Summer of Fear: Two serial killers battle it out for the media's attention while orchestrating a horrific campaign of murder in Phoenix. (S3, ep 10).

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.

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).

Robert Pickton: The story of one of the most prolific serial killers in Canadian history, dubbed 'The Pig Farmer Killer' by the media.

Roy Tutill: In 2001, Surrey police cracked one of the UK's longest unsolved murder cases when they caught the man who killed 14-year-old school boy Roy Tutill in 1968. (S1, ep 2).

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).

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).

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).

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).

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 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 3).

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

The UK Border Agency is an uninvited guest at sham weddings taking place up and down the country. Meanwhile, a Brazilian wanting to see his Brit hubby is stopped at Heathrow. (3/10).

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).

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).

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 20).

Part two of a countdown of the most incredible, hilarious and spectacular real-life crashes in the world - all caught on dashcam. (S1, ep 2).

Strap in for a brand-new series of Caught on Dashcam. From drivers under attack, to earthquakes wreaking havoc, we've got it all caught on camera! (S4, 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).

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).

Genene Jones: The chilling story of the serial killer who worked as a nurse in Texas, where she killed many children and infants by injecting them with drugs.

Philip Austin: A profile of the man who murdered his wife, two children and two dogs on one terrifying day.

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).

Paul Michael Stephani - The Weepy-Voiced Killer: The story of a killer who was infamous for his whimpering confessions over the phone after each of his murders. (S7, ep 10).

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.

The story of one of the most calculating serial killers the FBI has ever encountered - Israel Keyes, who was finally brought down after murdering a teenager.

Where Is Laci Peterson?: A new look at the notorious case of Scott Peterson and the murders of his wife Laci Peterson and unborn son Conner. (1 of 3).

The People V Scott Peterson: A new look at the notorious case of Scott Peterson and the murders of his wife Laci Peterson and unborn son Conner. (2 of 3).

Investigations, Appeals and Lingering Questions: A new look at the notorious case of Scott Peterson and the murders of his wife Laci Peterson and unborn son Conner. (3 of 3).

Snatched from the Womb: Experts examine the gruesome murder of a heavily pregnant woman, found dead at home with her unborn baby cut out and stolen from her. (S1, 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 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).

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).

In an action-packed instalment, Kev and Waller deal with a drug addict in Windsor, and Simon confronts a driver with a few unpleasant surprises up his sleeve. Strong language. (S6, ep 14).

Another dose of crime-fighting action from the Thames Valley Pro-Active Team, as Simon and Conrad get a late night surprise on the graveyard shift in Reading. Strong language. (S6, ep 18).

Documentary series following Australia's traffic enforcers, facing high-speed chases, explosive crashes and out-of-control drunk drivers. (S5, ep 2).

Documentary series following Australia's traffic enforcers, facing high-speed chases, explosive crashes and out-of-control drunk drivers. (S5, ep 3).

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).

Reality series following Ireland's border agents working in passport control, immigration, security, policing and various counterfeit departments. (S2, ep 9).

A martial arts expert comes to the rescue when a cop struggles with a cycle thief on a busy road. A warehouse thief strikes at Christmas but forgets to cover his tracks. (S5, ep 4).

There's a dramatic showdown when a fish and chip shop is raided and the owners come face-to-face with the violent culprits. (S5, ep 10).

A jewellery heist takes a dramatic turn when locals step in to stop the armed robbers in their tracks. Meanwhile, a pensioner is tricked in their own home. (S5, ep 11).

A shop manager takes on a super-strong burglar, and over a hundred businesses are targeted by a team of organised criminals. (S5, ep 16).

From trying to settle the age-old debate of cyclists versus drivers, to witnessing miraculous moments of pure luck, we've got it all caught on camera. (S4, ep 2).

From brushing up on basic motorway etiquette, to extreme weather that'll make you wish you'd never left the house, we've got it all caught on camera. (S4, ep 3).

From animals taking over the roads, to arguments over parking, we've got it all caught on camera. (S4, ep 4).

David Twigg: After a man is locked in a storeroom in a burning building, the race is on to identify those who started the blaze. But a closer look uncovers bigger issues.

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).

Traces of DNA: In 1986, Detective David Baker became the first person to use DNA profiling in a criminal investigation, when looking for the killer of two young girls.

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.

Sky Original true-crime documentary on the murder of Grace Millane following a Tinder date in 2018, a case that held a mirror up to a society with a problem of violence towards women.

A look at the twisted case of a police officer that was charged for conspiring to kidnap and eat women. Contains graphic images and discussions of torture and cannibalism.

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.

The Stepmom: Letecia Stauch reported that her 11-year-old stepson hadn't come home, but what followed was a trial of deceit, secrets and murder. (S1, ep 5).

Dighton - A Deadly Hangover: When his parents criticised him for his idle behaviour, Daniel Dighton stabbed them to death before blaming his crime on a hangover.

The Monster: Investigators hunt a serial killer in East Baton Rouge who carefully carves up and cuts the bodies of his victims after death. (S3, ep 11).

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. (S2, 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. (S2, 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. (S2, ep 7).

Documentary series from New Zealand following the madness and mayhem faced by officers as they pull over motorists for a variety of suspected offences. (S3, 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. (S3, 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. (S3, 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. (S3, ep 4).

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).

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

A ruthless gang of robbers target a pregnant shop assistant. Meanwhile, a mysterious figure strikes a centre for adults with learning disabilities in the night. (S5, ep 17).

A teenager gets a fright when she walks in on a burglar in her home. Meanwhile, a shop owner goes head-to-head with some crafty thieves. (S5, ep 18).

There's a late-night disturbance at a Chinese restaurant. Meanwhile, a mobile phone thief makes a schoolboy error and a school hall gets a sinister visitor. (S5, ep 19).

A brave woman who survived one of Italy's biggest earthquakes finds herself in danger on the streets of Manchester. (S5, ep 20).

From mega wipeouts to parking wars, animal chaos and two wheeled smashes, we've got it all caught on camera. (S4, ep 5).

From distracted drivers to street level vigilantes, and even the most baffling battles with weather, we've got it all caught on camera. (S4, ep 6).

From nail-biting near misses to encounters with things that go bump in the night, we've got it all caught on camera. (S4, ep 7).

The daughter of one of Britain's most dangerous women reveals how her mother's brutal murder spree has affected her life. (1 of 3).

Wright. As an unknown killer dubbed The Suffolk Strangler terrorised a community with a string of murders in Ipswich, Pam had no idea she was living with him. (3 of 3).

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).

In 2006, Victor Zaborsky reports that his friend has been stabbed by an intruder. Authorities find Robert Wone dead and start to find holes in Victor and his housemates' story. (1 of 2).

The long investigation into DC lawyer Robert Wone's 2006 murder continues, with no new leads in sight. (2 of 2).

Sabina Nessa: See how police used CCTV to trace the perpetrator of a crime that shocked the nation - the murder of teacher Sabina Nessa in London.

Twisted Intentions: Police discover the body of a young woman staged strangely on her bed. Amid rising fear, a fresh look at old evidence points to the answer. (S3, ep 12).

Nicky Collingbourne: A young woman is found dead, and police are put onto the trail of a killer who went to elaborate lengths to get away with the deed.

Bonfire night brings back-to-back emergency calls, as masked youths hurl fireworks at officers out on patrol and a search for a missing girl takes an unusual turn. (S6, 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.

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 3).

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 4).

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

The series gains access to a foreign airport for the first time: Lagos Murtala Muhammed International Airport. A pregnant woman on board a flight to the US arouses suspicions. (5/10).

A martial arts expert comes to the rescue when a cop struggles with a cycle thief on a busy road. A warehouse thief strikes at Christmas but forgets to cover his tracks. (S5, ep 4).

There's a dramatic showdown when a fish and chip shop is raided and the owners come face-to-face with the violent culprits. (S5, ep 10).

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 3).

From chaotic delivery disasters to monumental moments of road rage, we've got it all caught on camera. (S4, ep 8).

From dastardly pedestrians to international road rage, we've got it all caught on camera. (S4, ep 9).

Strap in for our blockbuster-level finale. From stormy weather to cinematic car smashes, we've got it all caught on camera. (S4, ep 10).

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).

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).

Paul Michael Stephani - The Weepy-Voiced Killer: The story of a killer who was infamous for his whimpering confessions over the phone after each of his murders. (S7, ep 10).

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.

Jessica Patel - Middlesbrough: He presented himself as a well-mannered family man. But behind closed doors, his wife paid the final price for his violent outbursts.

Mark Goudeau - The Baseline Killer: A man who terrorised Phoenix in an extensive year-long crime spree, committing nine murders with no apparent motive. (S7, ep 7).

Killer Women - Sabah Khan: The horrifying story of a woman who murdered her own sister in a brutal attack, after developing a deadly obsession with her brother-in-law.

Sabina Nessa: See how police used CCTV to trace the perpetrator of a crime that shocked the nation - the murder of teacher Sabina Nessa in London.

Phillip Croydon: The story of a wife who killed her husband in a frenzied stabbing attack before trying to cover up his death. (S3, ep 3).

The story of one of the most calculating serial killers the FBI has ever encountered - Israel Keyes, who was finally brought down after murdering a teenager.

Dawn Walker: A look at the shocking murder of 37-year-old Dawn Walker, whose badly burned body was found near Bury St Edmunds in Suffolk in 2005. (S1, ep 4).

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).

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 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 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 following the men and women who help keep motorists safe on some of the most perilous highways and byways of New Zealand. (S7, ep 5).

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

The insightful documentary series continues to prompt discussion. Access is gained to an Immigration Removal Centre, where a mass deportation is about to take place. (6/10).

A jewellery heist takes a dramatic turn when locals step in to stop the armed robbers in their tracks. Meanwhile, a pensioner is tricked in their own home. (S5, ep 11).

A shop manager takes on a super-strong burglar, and over a hundred businesses are targeted by a team of organised criminals. (S5, ep 16).

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 4).

Jane Longhurst: A shocking look at the chilling case surrounding the murder of teacher Jane Longhurst, whose body was found in a West Sussex beauty spot in 2003. (S1, ep 6).

Rodrigo Hernandez - The Grand Rapids Killer: What drives a man to murder a stranger? Detectives reflect on the case of Hernandez, who did just that. (S1, ep 2).

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).

Kimbles: A peaceful town is rocked by the murder of the young wife of a preacher's son. The investigation leads detectives toward two twisted brothers. (S3, ep 2).

Mark Goudeau - The Baseline Killer: A man who terrorised Phoenix in an extensive year-long crime spree, committing nine murders with no apparent motive. (S7, ep 7).

Killer Women - Sabah Khan: The horrifying story of a woman who murdered her own sister in a brutal attack, after developing a deadly obsession with her brother-in-law.

Sarah Wellgreen - Kent: The story of taxi driver Ben Lacomba, who was convicted for the brutal murder of his ex-partner even though her body was never found.

Ahmed Al Khatib - A Matter Of Honour: What drives a man to kill his wife? Ahmed Al Khatib blamed evil spirits as he plotted to get away with murder. (S1, ep 3).

Joshua Wade: Responsible for five murders, Joshua Wade avoided justice for years and later confessed to killings that started from when he was just 14. (S7, ep 5).

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.

Middleton: During a drunken argument, violent alcoholic Philip Middleton killed his parents with a granite block in a heartless attack.

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

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).

Don Miller: The story of a terrifying killer who snatched away the lives of four victims before being caught while trying to claim his fifth.

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).

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).

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).

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 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 9).

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

Reality series following Ireland's border agents working in passport control, immigration, security, policing and various counterfeit departments. (S2, ep 8).

For the first time, cameras gain access to the British Commission in Lagos, Nigeria, a city with a reputation for fraud. Meanwhile, staff at a West End steakhouse are grilled. (7/10).

A ruthless gang of robbers target a pregnant shop assistant. Meanwhile, a mysterious figure strikes a centre for adults with learning disabilities in the night. (S5, ep 17).

A teenager gets a fright when she walks in on a burglar in her home. Meanwhile, a shop owner goes head-to-head with some crafty thieves. (S5, ep 18).

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 5).

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).

Ahmed Al Khatib - A Matter Of Honour: What drives a man to kill his wife? Ahmed Al Khatib blamed evil spirits as he plotted to get away with murder. (S1, ep 3).

The Minicab Murders: Years after the crime, see how forensics helped solve the murder of Becky Godden-Edwards, finding a killer who had sadly murdered again. (S2, ep 3).

Engels: When the body of a young woman is found, investigators unravel a deadly plot with its roots in a shattered marriage and two millionaire brothers. (S3, ep 3).

Joshua Wade: Responsible for five murders, Joshua Wade avoided justice for years and later confessed to killings that started from when he was just 14. (S7, ep 5).

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.

Diana Lee - Cheshire: The story of David Ryan, who cheated his lover out of £60,000 before bludgeoning her to death and mutilating her body to cover his tracks.

Shawn Grate - The Charismatic Killer: Described as charming, detectives saw another side to Shawn Grate when they found two decomposing bodies in his home. (S1, ep 4).

Heriberto Seda - The New York Zodiac: A killer who goaded police and media during his spree, Heriberto Seda claimed to kill based on his victims' star signs. (S7, ep 3).

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

Murder in a Pandemic: Gretchen Anthony's family grow suspicious when they receive odd texts from her phone, before things take an incredibly sinister turn. (S1, ep 6).

The Soham Murders: The 2002 murders of Holly Wells and Jessica Chapman horrified and shook the nation. Explore how forensic science helped find their killer. (S3, ep 1).

Judy Buenoano: The story of a killer so evil that not even her own son could escape her clutches. She became the first woman to be executed in Florida since 1848.

Jane Longhurst: A shocking look at the chilling case surrounding the murder of teacher Jane Longhurst, whose body was found in a West Sussex beauty spot in 2003. (S1, ep 6).

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).

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).

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 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. (S21, 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. (S21, 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 7).

Reality series following Ireland's border agents working in passport control, immigration, security, policing and various counterfeit departments. (S2, ep 9).

Dazzling Denzil, a traveller at Heathrow, impresses immigration with his name, but his chances of entry look slim when his bag reveals some very interesting forgeries. (9/10).

There's a late-night disturbance at a Chinese restaurant. Meanwhile, a mobile phone thief makes a schoolboy error and a school hall gets a sinister visitor. (S5, ep 19).

A brave woman who survived one of Italy's biggest earthquakes finds herself in danger on the streets of Manchester. (S5, 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 6).

Jessica Patel - Middlesbrough: He presented himself as a well-mannered family man. But behind closed doors, his wife paid the final price for his violent outbursts.

Shawn Grate - The Charismatic Killer: Described as charming, detectives saw another side to Shawn Grate when they found two decomposing bodies in his home. (S1, ep 4).

Killed for being Kind: A woman dies in an apparently accidental house fire, but one police officer spots signs that something more sinister is at play. (S2, ep 4).

Merricks: A brutal double-homicide in a small Ohio town leads police to a family member with a grudge, and a simmering tension over just $400. (S3, ep 4).

Heriberto Seda - The New York Zodiac: A killer who goaded police and media during his spree, Heriberto Seda claimed to kill based on his victims' star signs. (S7, ep 3).

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

Peter Wrighton: The story of the senseless killing of 83-year-old Peter Wrighton, who was targeted by Alexander Palmer while out walking his dog in 2017.

Charles Cullen - Killing For Kindness: The story of the nurse who confessed to murdering up to 40 patients during his 16-year career. (S1, ep 5).

Paul Runge: A killer who found some of his victims through ads, the case of Paul Runge became prominent in the debate over the death penalty in Illinois. (S7, ep 8).

Jason Marshall: A look at the twisted killer who tortured and murdered a man in his home, filming the whole ordeal before torching the flat to cover his tracks.

The Bayou Strangler: The discovery of multiple bodies leads a task force to kick off a hunt for a serial killer who may have taken the lives of over 20 men. (S3, ep 12).

Sky Original true-crime documentary on the murder of Grace Millane following a Tinder date in 2018, a case that held a mirror up to a society with a problem of violence towards women.