Sky Witness HD Friday

The work of Britain's emergency helicopter medical services. A doctor's trauma skills are put to the test in South Shields and a cyclist suffers a head injury in Oxford

Officers at a New York airport confront a man who has swallowed 40 heroin-filled pellets and, in San Ysidro, detectives intercept a suspected sex trade worker

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

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

Chunk represents a woman accused of killing a prison guard, arguing that the witness - another guard - tried to sexually assault her during a transport

After a suburban wife is kidnapped from her home, the team looks into trysts on both sides of her marriage. OA feels pressure from Mona

The team races to rescue a mother and daughter, who are caught in the crossfire of a robbery gone wrong

The team investigates an American journalist's death after his attempt to meet with a source in Poland. Kellett takes Forrester to task

Action-packed documentary following rapid response officers as they crack down on crime in cases where time is of the essence

A patrol boat is deployed to rescue a sinking vessel crammed with people, and the bizarre behaviour or an unruly passenger has Customs wondering what may be the cause

A French backpacker attracts the attention of sniffer dogs, and a young-looking traveller on the run from the law is caught by immigration

A passenger's bags test positive for traces of narcotics, while two lovers are separated by immigration officers, and a singing poet arrives with more wallets than money

Customs turn their attention to two men who seem to be connected despite travelling separately, and an aggressive passenger forces officers to take dramatic action

A woman who has had plastic surgery while on holiday is caught carrying vials of drugs, while the quarantine department find an animal's head in the mail

Customs officers suspect that two men who have arrived separately may be connected somehow, while an aggressive passenger turns nasty

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

A countdown of the most incredible, hilarious and spectacular real-life crashes in the world - all caught on dashcam

The team sets out on the search for Nolan's former mentor Officer Hawke, who has gone on the run after assaulting a man. Tim Bradford needs help predicting the moves of criminals

The team must track down a shooter targeting detectives from the same precinct and unit, while facing mounting tension from the NYPD

After achieving success in her younger years, septuagenarian Madeline Matlock decides to rejoin the work force at a prestigious law firm. Revival of the crime drama

Benny and Bull represent an estranged couple accused of money laundering and fraud. Meanwhile, Bull and Izzy reach an impasse regarding what they want from their relationship

After a shooting, Burgess and Ruzek find themselves stuck on a busy subway train. The team are drawn into a dark family drama

A family is poisoned at home and the team finds a link to the Becks. Ruzek goes undercover to work for their business

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

Members of the Road Crime Unit chase a drug dealer on the M5, while dog handler Daryl and his German shepherd are on the trail of the drivers of a stolen car that crashed in Exeter

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