TV Guide Sky Witness Friday

Roma and Ronnie are shocked when a driver in Slough, Berkshire, records the highest reading they have ever seen in a breathalyser test, and Chris captures an innovative supermarket thief. The Liverpool Air Support Unit uses heat-sensing cameras to track down a criminal who has taken refuge underneath Blackpool pier

Another edition of the fly-on-the-wall documentary accessing the world of national security at Australia's biggest airports, following customs and immigration officers as they go about their daily business of tackling drug runners, illegal immigrants and terrorists

Another edition of the fly-on-the-wall documentary accessing the world of national security at Australia's biggest airports, following customs and immigration officers as they go about their daily business of tackling drug runners, illegal immigrants and terrorists

Another edition of the fly-on-the-wall documentary accessing the world of national security at Australia's biggest airports, following customs and immigration officers as they go about their daily business of tackling drug runners, illegal immigrants and terrorists

Another edition of the fly-on-the-wall documentary accessing the world of national security at Australia's biggest airports, following customs and immigration officers as they go about their daily business of tackling drug runners, illegal immigrants and terrorists

PC Greaves and his four-year-old German shepherd Riley track down a motorist who panicked when he saw flashing blue lights and ran off, while PC Whitaker and his dog Roscoe have to disarm a man who has a 12-inch knife. During a search of three vehicles used by a suspected drug dealer, sniffer spaniel Smut and handler PC Carlin find a wallet with almost £1,000 inside it hidden under a dashboard. Narrated by Ken Stott

A mysterious 'angel of death' is apparently responsible for poisoning a series of hospital victims with cyanide. Detectives Goren and Eames suspect a nurse who they believe fits the typical profile. Detective drama, starring Vincent D'Onofrio and Kathryn Erbe

Fly-on-the-wall documentary accessing the world of national security at Australia's biggest airports as customs and immigration officers tackle drug runners, illegal immigrants and terrorists

Fly-on-the-wall documentary accessing the world of national security at Australia's biggest airports as customs and immigration officers tackle drug runners, illegal immigrants and terrorists

An arrogant gossip columnist is murdered, and Logan enlists the help of Megan Wheeler, back in the US after working undercover in Europe, to help him investigate a related celebrity sex scandal. However, as the duo scrutinise the dead man's life, the list of possible suspects grows increasingly longer

The Thames Valley Police deal with an armed robber who is making a fast getaway, while officers are called to a scene where a naked man is perched on his car bonnet and is refusing to leave