Sky Witness Friday

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

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

The work of the New Zealand Customs agents in their quest to prevent illegal items passing through the country's borders.

The work of the New Zealand Customs agents in their quest to prevent illegal items passing through the country's borders.

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

Officers are stumped by a backpacker carrying photos of his criminal activities, and an American band gets in a jam

Staff confront an American soldier running scared, and a British woman causes confusion with her bag of tricks

Bull helps a grieving mother sue the developers of a computer program that misidentified her son as a criminal

The abduction of a young woman leads the team back to a cold case from 18 years ago

The Fly Team race against the clock to halt a major art heist in the works

After three prosecutors are assassinated outside a bar, the team are called in to determine if it was a personal vendetta

The team investigates a series of fake weddings and meets a Jamaican man who thought a marriage certificate would secure his place in the country

Fly-on-the-wall documentary accessing the world of national security at Australia's biggest airports as customs and immigration officers tackle criminals

Fly-on-the-wall documentary accessing the world of national security at Australia's biggest airports as customs and immigration officers tackle criminals

Fly-on-the-wall documentary accessing the world of national security at Australia's biggest airports as customs and immigration officers tackle criminals

Fly-on-the-wall documentary accessing the world of national security at Australia's biggest airports as customs and immigration officers tackle criminals

Fly-on-the-wall documentary accessing the world of national security at Australia's biggest airports as customs and immigration officers tackle criminals

Fly-on-the-wall documentary accessing the world of national security at Australia's biggest airports as customs and immigration officers tackle criminals

Fly-on-the-wall documentary accessing the world of national security at Australia's biggest airports as customs and immigration officers tackle criminals

Fly-on-the-wall documentary accessing the world of national security at Australia's biggest airports as customs and immigration officers tackle criminals

After a string of armed robberies, the team investigates a suspect who leads them to something much bigger

When an off-duty security agent is killed, the team investigate if there's a link to his time in Croatia

The trainees are told to track down a specific set of crimes to qualify for their final exam, while Nolan and Bishop answer an alarm call at the house of music star Will.i.am

Matty helps a nanny who has been fired and had photos posted online that make her look guilty of harming the children in her care

An ongoing case hits close to home for Voight as Intelligence teams up with an SVU detective to track down a prolific offender

After two teenagers are kidnapped, the team are led to a wayward pastor and his brother

Chunk and Bull aim to prove that their client committed a crime due to a lack of behavioral control caused by a brain tumour

The helicopter team rushes to a road accident involving a motorbike and a van

The team races to the aftermath of a serious air traffic collision after two aeroplanes are reported missing from radar

The helicopter battles against bad weather as it tries to provide urgent help to a suspected stroke victim. Documentary following Britain's emergency helimed services

Simon confronts a driver who has a number of unpleasant surprises up his sleeve, while Kev and Waller are faced with a drug addict in Windsor