Sky Crime Friday

The work of British Transport Police's canine units, which help monitor thousands of miles of railway and underground track

Documentary series charting the exploits of the City of London police, focusing on steps to tackle credit card fraud

Police are alerted to an emergency after a car collides with a crane, while a near-40ft metal giant turns heads on its journey up the Great North Road

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

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

Fly-on-the-dashboard documentary showcasing outrageous road disasters, captured in video form by drivers' in-vehicle dashboard cameras

Police use forensic evidence to catch the perpetrator who murdered a mother in her home in 1994

The case of Billy Dunlop, who killed 22-year-old Julie Hogg, and went on to become the first person to be convicted under revised UK double-jeopardy laws

Police had little to go on after Clair Ablewhite was found stabbed to death but a neighbour's crucial CCTV breakthrough led to an arrest

When the body of a Lithuanian immigrant is discovered, detectives are faced with uncovering how she died and who is responsible for her death

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

Documentary lifting the lid on police investigations into some of the most incredible murder cases in criminal history

A closer look at the murderer Stephen Seddon, a convicted fraudster who killed his parents in a cold-blooded crime as he tried to get his hands on their £230,000 estate

When the body of a 16-year-old girl is found in a field, it would take over two decades before a DNA profile of the killer can be developed

The little-known case of Ronald Dominique, a serial killer and rapist who murdered at least 23 men and boys and was known as the Bayou Strangler

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

Ashley and her mother Kristine are meeting to co-sign a lease for an apartment, but alarms are raised when Ashley never shows

A profile of John Duffy and David Mulcahy, who terrorised the south of England in the 1980s with a string of attacks on women and children near railway stations

The story of artist and grandmother Valerie Graves, who was killed in a horrific attack just days after Christmas while housesitting a million-pound property

In 1986, 16-year-old Elaine Doyle was murdered just metres from her home, but catching her killer was no easy task.

A 20-year-old lured into a cab after a night out in Northampton by a stranger promising to get her home safely, only for her body to be found the following day

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

Police are alerted to an emergency after a car collides with a crane, while a near-40ft metal giant turns heads on its journey up the Great North Road

The Proactive Squad from Thames Valley Police use unmarked cars fitted with on-board video cameras to give an insight into vehicle crime and how 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