Sky Witness Wednesday

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

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

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

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

Documentary series which follows a rapid response team of police officers as they tackle crime

Cameras follow the work of staff at the British Commission in Lagos, Nigeria, and workers at a steakhouse in London's West End are interrogated

A 100-year-old man falls victim to a light-fingered carer and a shopkeeper is stunned when one of his regular customers suddenly turns into an armed robber

A jeweller must act fast when armed men attack his shop, a city unites to take on thieves who are targeting small businesses and a couple use a baby buggy to steal a beer barrel

The true stories of a thief who raided a social club by sneaking in and waiting until the staff had gone home, and a computer shop owner who tracked down a burglar

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

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

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

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

Immigration suspect that an Indian man is trying to cross the border on a false French passport when they discover he has never even been to France

Drug readings spark an intensive search of a man's belongings, and the discovery of a mystery bag offers some truths behind an imposter's lies

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

Some hustlers are stopped at the border and their scam is soon uncovered. When a doctor is caught falsifying a legal document he tries to blame it all on his wife

Documentary series following Australian Customs and Border Protection officers as they attempt to enforce the country's customs, quarantine and immigration laws

Immigration detain a busload of illegal workers but their organiser will not give up without a fight. Meanwhile, a woman makes her feelings clear about having her bag searched

An elderly man is caught delivering a stranger's suitcase containing a shocking concealment, and a desperate father sets out to save his daughter from an abusive relationship

Officers are concerned by a passenger's bizarre behaviour when traces of cocaine are found and evidence suggests she has been using a drug dubbed Charlie Sheen

The Reagan family race to stop mayhem in the city when the gangs of New York unite to demand amnesty for the release of their imprisoned members

Seasonal special bringing together the most spectacular, mind-boggling and downright bizarre car crashes, near misses and road incidents ever seen

Seasonal special bringing together the most spectacular, mind-boggling and downright bizarre car crashes, near misses and road incidents ever seen

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

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 call-out to a stabbing proves far from what it seems, while officers are left baffled when a suspected drink driver passes a breathalyser test

Officers of the City of London police attempt to maintain control of crowds at football matches

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

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

A street performer is caught in the middle of an escape act, while a cheeky bus passenger answers questions about his mischievous past

A distinctive bag has officers seeing double, and a photographer misses the big picture. Plus, a heavily modified truck causes concern