Documentary highlighting the fast thinking and hard work it takes to police the front line of crime in the UK. Strong language. (S6, ep 1).

A raid on a bingo hall in Yeovil uncovers illegal workers, while Iraqi clandestines are discovered in the back of a lorry in Calais and stopped from entering the UK. (7/8).

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. (S16, ep 20).

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 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. (S17, 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. (S17, 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. (S17, 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. (S17, ep 5).

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).

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).

Dennis Rader: A look at the horrific crimes of the serial killer who dubbed himself BTK - meaning 'Bind, Torture, Kill.

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).

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).

Gary Ridgway: A profile of the vicious killer who is thought to have murdered over 70 teenage girls and women in a reign of terror that started in the 80s.

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 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).

John Cooper: A look at the Welsh serial killer known to some as The Wildman, who got four life sentences for a string of gruesome murders and sexual assaults.

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.

Robert Lee Yates: A profile of the serial killer, who narrowly avoided the death penalty for killing at least 13 sex workers during a horrific reign of terror.

Ashley's Last Date: Ashley and her mother Kristine are meeting to co-sign a lease for an apartment, but alarms are raised when Ashley never shows. (S1, ep 2).

The shocking story behind the extraordinary case of Crystal Hunnisett. Contains violence and graphic descriptions of child sexual abuse throughout. (1 of 2).

The shocking story behind the extraordinary case of Crystal Hunnisett continues. Contains violence and graphic descriptions of sexual abuse throughout. (2 of 2).

Murder Caught on Camera: The case of Tia Sharp, a 12-year-old girl reported missing in London, leading to a major search which took the police close to home. (S2, ep 2).

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).

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).

The Richardson Gang: Charlie Richardson and his associates reveal to Fred Dinenage the full story about the infamous 'Torture Gang' of the 1960s.

Love Lessons: When a soon-to-be-married student is found stabbed and shot in her own garage, investigators discover her love life isn't what she thought it was. (S1, 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 12).

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 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).

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 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.

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 6).

Documentary exploring the extreme measures people take to break US security laws and America's desperate fight against drugs, illegal immigration and terrorism. (S1, ep 5).

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).

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).

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.

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).

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).

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).

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).

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 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).

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).

Ellis, Gregory, Martin & Simms - The Brotherhood's Revenge: A feud between two rival Birmingham gangs comes to a head when two innocent teenage girls are killed. (S1, ep 8).

Georgia Edmonds: The horrific case of Georgina Edmonds, a pensioner and grandmother who was bludgeoned to death by Matthew Hamlen.

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.

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).

New & Exclusive. The Rogue Agent: Texas police suspect a killer is on the loose when the bodies of four women are discovered by the side of a highway. (S1, ep 1).

A Family Affair: When a vet clinic-owning family is gunned down, the suspects include angry tenants, a pet owner with an axe to grind and an estranged son. (S3, ep 15).

Killer Women - Antoinette Frank - The Killer Cop: She was trusted to protect the community as a police officer, but ended up committing one of the worst crimes imaginable. (S1, ep 6).

Documentary exploring the extreme measures people take to break US security laws and America's desperate fight against drugs, illegal immigration and terrorism. (S1, 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. (S13, 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. (S13, 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. (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).

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 5).

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).

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 7).

Documentary exploring the extreme measures people take to break US security laws and America's desperate fight against drugs, illegal immigration and terrorism. (S1, ep 6).

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).

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.

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.

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).

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).

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).

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).

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).

Mick Philpott: An examination of Mick Philpott, the notorious Derby father of 17 who murdered six children, five of them his own, when he set his own home on fire.

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).

When a much-loved grandmother is found murdered in her home, suspicion falls on everyone from family to neighbours as police seek to find the killer. (S1, ep 3).

Allan Chappelow: A reclusive millionaire, Allan Chappelow was brutally murdered by Chinese dissident and MI6 informant Wang Yam in an apparent identity theft scheme. (S2, ep 9).

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.

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 3).

Ashley's Last Date: Ashley and her mother Kristine are meeting to co-sign a lease for an apartment, but alarms are raised when Ashley never shows. (S1, ep 2).

When the Lights Go Out: When a mother is stabbed, investigators fail to pin down a killer until evidence stashed in a van lead to a sinister plot. (S3, ep 16).

Wilbern Cooper - The Ordinary Man: A look at how Wilbern Cooper was able to live a normal life for 28 years, knowing he had brutally killed a person. (S1, ep 7).

Documentary exploring the extreme measures people take to break US security laws and America's desperate fight against drugs, illegal immigration and terrorism. (S1, 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. (S13, 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. (S13, 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 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 5).

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 6).

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).

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 8).

Documentary exploring the extreme measures people take to break US security laws and America's desperate fight against drugs, illegal immigration and terrorism. (S1, ep 7).

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).

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.

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

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).

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).

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).

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).

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).

Mark Bridger: In 2012, April Jones disappeared from outside her home in Wales, never to be seen again. Her abductor, and murderer, was found to be Mark Bridger.

Ronald Dominique - The Bayou Strangler: A serial killer and rapist who murdered at least 23 men and boys, this is the little-known case of Ronald Dominique. (S7, ep 9).

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).

Mad Scientist: In 1981, detective Mike Southwell investigated a missing persons case that contained one of the grimmest discoveries in British police history.

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 Murder of Sinead Healy: 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 4).

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).

Blood Runs Thick: The execution-style shooting of a well-loved couple appears to be a tragic case of mistaken identity, but police start to look closer to home. (S3, ep 17).

Ellis, Gregory, Martin & Simms - The Brotherhood's Revenge: A feud between two rival Birmingham gangs comes to a head when two innocent teenage girls are killed. (S1, ep 8).

Documentary exploring the extreme measures people take to break US security laws and America's desperate fight against drugs, illegal immigration and terrorism. (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. (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 6).

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).

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 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. (S3, 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).

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 9).

Documentary exploring the extreme measures people take to break US security laws and America's desperate fight against drugs, illegal immigration and terrorism. (S1, ep 8).

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).

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

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.

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).

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.

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).

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 3).

Natalie Jarvis: A look at the harrowing murder of Natalie Jarvis, a 24-year-old who was stabbed to death in Swanley, Kent, by her boyfriend in October 2012. (S2, ep 1).

Roy Whiting: A profile of child killer Roy Whiting, the convicted sex offender who abducted and murdered eight-year-old Sarah Payne.

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).

Murder Caught on Camera: The case of Tia Sharp, a 12-year-old girl reported missing in London, leading to a major search which took the police close to home. (S2, ep 2).

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).

Russell Bishop (Babes In The Wood Murders - Brighton): A look at the man convicted of sexually assaulting and murdering two nine-year-old girls from Brighton in 1986.

True-crime series following former detective Colin Sutton as he revisits the locations of various important cases and reveals how they were solved.

The Sergeant's Wife: When Kemia Hassel calls 911 cradling her dying husband, detectives have no idea that they'll soon unravel a sinister murder-for-hire plot. (S1, ep 4).

Murder After Midnight: After a Texas mother is found murdered in an office bathroom, her husband admits a disturbing past while police chase a serial killer. (S3, ep 18).

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).

Documentary exploring the extreme measures people take to break US security laws and America's desperate fight against drugs, illegal immigration and terrorism. (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 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 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).

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 2).

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).

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).

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 10).

Documentary exploring the extreme measures people take to break US security laws and America's desperate fight against drugs, illegal immigration and terrorism. (S1, ep 9).

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).

Peter McMahon: An evil web of lies and deceit confronts detectives after they discover the body of grandfather Peter McMahon in a freezer.

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.

Natalie Jarvis: A look at the harrowing murder of Natalie Jarvis, a 24-year-old who was stabbed to death in Swanley, Kent, by her boyfriend in October 2012. (S2, ep 1).

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.

Ronald Dominique - The Bayou Strangler: A serial killer and rapist who murdered at least 23 men and boys, this is the little-known case of Ronald Dominique. (S7, ep 9).

The Murder of Sinead Healy: 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 4).

Mabel Leyshon: A look at the horrific murder of 90-year-old Mabel Leyshon, who was stabbed to death at her home in Anglesey by a teenager with a vampire fixation. (S2, ep 2).

Raoul Moat: What drove Raoul Moat to shoot his ex-girlfriend, her new lover and a policeman, leading to the largest manhunt in modern British history.

Lester Jones: Mother Paige Birgfeld went missing in 2007 and her remains were found five years later. A decade on, police closed the net on a local mechanic. (S8, ep 1).

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.

The shocking story behind the extraordinary case of Crystal Hunnisett. Contains violence and graphic descriptions of child sexual abuse throughout. (1 of 2).

The shocking story behind the extraordinary case of Crystal Hunnisett continues. Contains violence and graphic descriptions of sexual abuse throughout. (2 of 2).

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 6).

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).

Trail of Evidence: When a devoted mother vanishes from home, a series of grisly roadside discoveries take police on a hunt for the killer. (S3, ep 19).

Barbara Coombes - A Daughter's Revenge: 12 years after murdering her 87-year-old father in an act of revenge, Barbara turned herself in. What drove her to kill? (S1, ep 10).

Documentary exploring the extreme measures people take to break US security laws and America's desperate fight against drugs, illegal immigration and terrorism. (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 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).

Reality series following Ireland's border agents working in passport control, immigration, security, policing and various counterfeit departments. (S2, ep 1).

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

Documentary series following Australia's traffic enforcers. Officers face high-speed chases, defiant hooligans, explosive crashes and out-of-control drunk drivers. (S8, ep 7).

Documentary series following Australia's traffic enforcers. Officers face high-speed chases, defiant hooligans, explosive crashes and out-of-control drunk drivers. (S8, ep 8).

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 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).

Robert Lee Yates: A profile of the serial killer, who narrowly avoided the death penalty for killing at least 13 sex workers during a horrific reign of terror.

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.

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).

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).

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).

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.

Vincent Tabak: A chilling look at the man responsible for one of the biggest police investigations in Bristol - the cold-blooded murder of Joanna Yeates.

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.

Danny Rolling: A profile of the serial killer known as The Gainesville Ripper, who targeted Florida students with crimes so horrific that he inspired the movie Scream.

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).

When a much-loved grandmother is found murdered in her home, suspicion falls on everyone from family to neighbours as police seek to find the killer. (S1, ep 3).

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).

Dennis Rader: A look at the horrific crimes of the serial killer who dubbed himself BTK - meaning 'Bind, Torture, Kill.

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.

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).

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.

Too Much Love: When a fun-loving father of eight is found dead, his womanising lifestyle leaves detectives with a large pool of potential suspects. (S1, 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).

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 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 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).

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).

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).

Brimming with real-life thrills and spills, Road Wars provides an exclusive insight into the admirable efforts of the Proactive Unit in their war against crime. Strong language. (S6, 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 4).

Danny Rolling: A profile of the serial killer known as The Gainesville Ripper, who targeted Florida students with crimes so horrific that he inspired the movie Scream.

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.

James Attfield and Nahid Almanea: James Fairweather becomes a double-killer aged just 15. Was his Ripper obsession to blame or is there more to his story? (S2, ep 4).

Ted Bundy: A look at the life - and horrifying crimes - of Ted Bundy, a notorious serial killer who murdered at least 30 young women and girls between 1974 and 1978.

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).

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).

Christopher Halliwell: A look at the convicted double-murderer responsible for taking the lives of Becky Godden-Edwards in 2007 and Sian O'Callaghan in 2011.

Bathtub of Bleach: After finding her dead in a bathtub full of bleach, detectives narrowed down Susan Eyre's killer from 210,000 possible suspects.

Robert Ben Rhoades: A profile of The Truck Stop Killer, who targeted hitchhikers and truck stop sex workers in a horrific string of crimes spanning 15 years.

The Sergeant's Wife: When Kemia Hassel calls 911 cradling her dying husband, detectives have no idea that they'll soon unravel a sinister murder-for-hire plot. (S1, ep 4).

The Commonwealth vs Michelle Carter. Were Michelle Carter's texts urging boyfriend Conrad Roy to end his own life criminal? This two-part documentary investigates. (1 of 2).

Commonwealth vs. Michelle Carter. The concluding part of the documentary investigating Michelle Carter's involvement in Conrad Roy's death. (2 of 2).

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 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).

The A6 Murderer: Fred Dinenage investigates the story of the alleged A6 murderer James Hanratty and explores the arguments for and against his conviction.

Love Calling: After a devoted mother of two is beaten to death in her own home, police focus on the men in her life, from an aggressive ex to a new boyfriend. (S1, 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 13).

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 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).

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).

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).

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).

Documentary exploring the extreme measures people take to break US security laws and America's desperate fight against drugs, illegal immigration and terrorism. (S1, ep 10).

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 3).

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.

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.

Mabel Leyshon: A look at the horrific murder of 90-year-old Mabel Leyshon, who was stabbed to death at her home in Anglesey by a teenager with a vampire fixation. (S2, ep 2).

Bathtub of Bleach: After finding her dead in a bathtub full of bleach, detectives narrowed down Susan Eyre's killer from 210,000 possible suspects.

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).

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 6).

Rachel O'Reilly: A look at the 2004 murder of North County Dublin mother-of-two, Rachel O'Reilly, who was beaten to death by her husband in their home. (S2, ep 3).

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

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).

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.

Valerie Graves: The story of Valerie Graves, who was killed in a horrific attack just days after Christmas while house-sitting a million-pound house.

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

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 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).

Murder in the Canyon: When a college student is gunned down, police investigate disapproving roommates, a psychic and an infamous serial killer. (S3, ep 20).

Tashan Daniel: Twenty-year-old Tashan Daniel was waiting for a train to take him to a football match when a fateful encounter on the platform changed everything.

Documentary exploring the extreme measures people take to break US security laws and America's desperate fight against drugs, illegal immigration and terrorism. (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 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).

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).

Documentary highlighting the fast thinking and hard work it takes to police the front line of crime in the UK. Strong language. (S6, ep 1).

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).

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).

Documentary exploring the extreme measures people take to break US security laws and America's desperate fight against drugs, illegal immigration and terrorism. (S1, ep 11).

The Murder of Sinead Healy: 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 4).

Joy Morgan: A student's strange disappearance becomes a murder investigation, and detectives face a tough task to prove the suspect's guilt.

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

Rachel O'Reilly: A look at the 2004 murder of North County Dublin mother-of-two, Rachel O'Reilly, who was beaten to death by her husband in their home. (S2, ep 3).

Body in a Suitcase: After a badly decomposed body was found in a suitcase by a railway embankment in Exeter, Police hunt for the killer with only CCTV evidence to go on.

Lester Jones: Mother Paige Birgfeld went missing in 2007 and her remains were found five years later. A decade on, police closed the net on a local mechanic. (S8, ep 1).

Ashley's Last Date: Ashley and her mother Kristine are meeting to co-sign a lease for an apartment, but alarms are raised when Ashley never shows. (S1, ep 2).

Derek & Eileen Severs: Three weeks after disappearing from their home in Hambleton, Derek and Eileen Severs were found dead. This is the harrowing story of their murders. (S2, ep 4).

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.

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).

Seddon - Two Attempts to Kill: After trying to kill his parents in a crash, Stephen Seddon was hailed a hero for saving them. But his evil intentions hadn't gone anywhere.

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).