Sky Crime Friday

Documentary following the work of New Zealand police officers as they try to keep motorists safe on some of the country's most dangerous roads

Documentary following the work of New Zealand police officers as they try to keep motorists safe on some of the country's most dangerous roads

The Proactive Squad from Thames Valley Police uses unmarked cars with video cameras on board to give an intriguing insight into car crime and ways it can be prevented

Documentary following the work of Ireland's border force officers as they fight to stop gangs of organised smugglers from bringing in drugs, money, guns and cars

Fly-on-the-wall documentary following the lives of customs and immigration officers at Australia's biggest airports

Fly-on-the-wall documentary following the lives of customs and immigration officers at Australia's biggest airports

Documentary following the work of Greater Manchester Police, which is England's second-largest force and is responsible for protecting 2.7 million people

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

A rural Georgia town shaken by two double homicides within just 24 hours. With few suspects to go on, police find a vital piece of evidence

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

A supposed violent break-in that left Catherine Nevin's husband dead was initially seen as a robbery gone wrong, until police dug deeper into the couple's lives

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

The crimes of Christopher Halliwell, the convicted double-murderer responsible for taking the lives of Becky Godden-Edwards in 2007 and Sian O'Callaghan in 2011

Mum Karen Doubleday was found murdered in the woods near her home in 2002. The clue to finding her killer lay in pollen spores from the Ice Age

The murder of the Freeman family by two brothers and their cousin, who had all embraced neo-Nazi culture, and the police manhunt to capture the killers

A profile of the Rhode Island family man and Sunday school teacher Christopher Hightower, who turned out to be a cold-blooded triple murderer

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

The extraordinary case of Crystal Hunnisett. Many feel she is guilty of two gruesome murders, while others think she is the real victim

The extraordinary case of Crystal Hunnisett. Many feel she is guilty of two gruesome murders, while others think she is the real victim

An in-depth look at the life and crimes of Michael Bruce Ross who was executed in 2005 after raping and murdering women across Connecticut and New York

The story of the serial killer Sean Vincent Gillis, who brutally snatched away the lives of eight innocent women during a decade-long killing spree in Louisiana

Author Fred Dinenage, who conducted a series of interviews with the Kray twins for their autobiography, recounts the time he spent with them and presents their true story

Detectives investigating the death of an Atlanta-based rapper get a shock when they find horrifying evidence planted by the victim, seconds before his death

Leicestershire police break up a fight in a city centre pub, while on the streets of south London, bailiffs Debbie and Ben collect unpaid parking fines

Focusing on the work of the City of London police as they tackle crime on the streets of the capital

Documentary following members of the New Zealand highway patrol as they witness some of the best and worst behaviour on the nation's motorways

Documentary following members of the New Zealand highway patrol as they witness some of the best and worst behaviour on the nation's motorways