TV Guide Sky Witness Tuesday

While out in the city, Nolan and Bailey witness a murder and immediately spring into action in the hopes of finding the person responsible. Meanwhile, Angela and Wesley have a big decision to make that may affect their future

Road Crime Unit officers are flagged down in Plymouth when a member of the public is suspected of having a heart attack, and dog handler Lee deals with two separate incidents involving men armed with knives. Plus, CCTV footage of a boy jumping into the path of an oncoming bus in Scotland

Documentary following the work of Ireland's border force officers as they fight to stop gangs of organised smugglers from bringing drugs, money, guns, cars and even exotic animals into the country

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

Billy the new sniffer spaniel finds live ammunition during a search for drugs, and a stabbing on the streets of London brings together two of the city's leading Alsatian dog teams. PC Mandy Chapman and her canine companion Karly are sent in to enforce a court warrant against a dangerous dog, while Sergeant Peter Madden and Brodie are on the trail of burglars using stolen cars as getaway vehicles. Narrated by Ken Stott

Adolescent boys become chief suspects in the murder of a man and his son. The team thinks the gang is being used to operate a bicycle theft ring, but the investigation leads them to a studio owner who brainwashes youngsters to prove their worthiness for his own nefarious purposes. Crime drama, starring Vincent D'Onofrio and Kathryn Erbe

A woman who has had plastic surgery while on holiday is caught carrying vials of drugs, the quarantine department find an animal's head in the mail, and an unsuspecting passenger has a run-in with a relentless officer

Customs officers suspect that two men who have arrived separately may be connected somehow, while an aggressive passenger turns nasty, forcing officers to take drastic action. Plus, a suspicious parcel arrives containing an unexpected concealment

A busy day at Sydney Airport sees officers making a bust, and a passenger's mystery bag conceals something significant. Meanwhile, a boxer arrives at immigration ready for a fight

A nervous passenger breaks into a sweat when he is suspected of carrying drugs, and another denies knowledge of what officers find in his bag. Meanwhile, a traveller with a serious criminal record tells immigration staff a remarkable story

Goren and Eames investigate the death of a wealthy philanthropist on the night he awarded his research grant to a doctor. After a medical cadaver is found wearing the victim's clothes, the detectives' attention soon turns to the recipient of the money and the two other candidates, and discover they all had a motive to commit the murder. Crime drama, starring Vincent D'Onofrio and Kathryn Erbe

Special agent Scott Forrester and his Budapest-based FBI team head to Croatia after they're enlisted to capture an American fugitive who escaped to Zagreb with a 14-year-old girl. Crime drama, starring Luke Kleintank

Police officers use unmarked cars fitted with on-board video cameras, offering an insight into vehicle crime and how it can be prevented. The programme also features footage of dangerous drivers