Sky Crime+1 SkyTV

In 1973, Doug Gretzler and Willie Steelman killed 17 people during a three-week road trip. With motives still unknown, hear Gretzler's confessions from interviews and hours of recordings.

Wilmington police investigate a late-night picnic gone wrong, deal with a custody dispute in the middle of a bar and rescue an overheated dog left in a car. Flashing images. (S2, ep 3)

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.

Robert Hansen - The Butcher Baker: The Alaska serial killer Robert Hansen, who murdered at least 17 women during a spree that lasted for more than a decade. (S7, ep 2)

Donald Neilson - The Black Panther: Fred Dinenage investigates the crimes of meticulous masked killer Donald Neilson. (S1, ep 4)

To Catch a Serial Killer: Dozens of rich older women seemed to die peacefully in their sleep, until detectives realised it was the work of a serial killer. (S1, ep 8)

Join Ireland's Customs teams as they, with the help of the Irish police, try to stop organised smugglers from bringing drugs, cars and even exotic animals into the country. (S1, ep 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 13)

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)

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)

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)

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 5)

Wilmington police investigate a late-night picnic gone wrong, deal with a custody dispute in the middle of a bar and rescue an overheated dog left in a car. Flashing images. (S2, ep 3)

Glen McCurley: Examine the crimes of Glen McCurley, who in 1974 abducted 17-year-old Carla Walker from a bowling alley car park and killed her before leaving her body in a ditch. (S9, ep 1)

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)

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.

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

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)

Ben Field: The 'housemate from hell', Ben Field plotted the death of his two elderly landlords in a bid to inherit from their estates. (S7, 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.

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

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.

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.

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.

Barry Prudom: Barry sparked Britain's largest manhunt, murdering police officers and civilians. The terror ended when he turned the gun on himself rather than face justice. (S10, ep 7)