Season 4

1. Drugs, Thugs and Smugglers

A drug smuggler is caught on camera with 12 million pounds' worth of narcotics in his car. Plus, a look inside one of the UK's busiest CCTV centres.

2017-09-24 • 45 min

2. Episode 2

Journalist Nick Wallis follows a Flying Squad investigation into a ruthless gang who blew up 27 cash machines in and around London.

2017-09-24 • 44 min

3. Episode 3

Journalist Nick Wallis tells the shocking story of a teenager who murdered his friend, and was caught on camera buying the gloves he wore for the killing.

2017-10-05 • 45 min

4. Episode 4

A violent abuser murdered his ex-partner and used a suitcase to dispose of her body. CCTV cameras captured him dragging the suitcase through the streets of Exeter.

2017-10-08 • 44 min

5. Episode 5

Armed robbers are caught terrorising shop staff. The police find themselves in a firefight with a drug dealer. And, a determined gang free an ATM from the wall.

2017-10-15 • 45 min

6. Episode 6

Exclusive body cam footage shows assaults on police and a shop owner is caught on camera fighting off a thief with a bottle of vodka.

2017-10-22 • 44 min

7. Episode 7

Journalist Nick Wallis follows an investigation into a terror campaign against the police in Belfast, led by a 31-year old woman.

2017-10-28 • 44 min

8. Episode 8

Extraordinary footage is shown of two off-duty police officers who don't hestitate to tackle an armed gang raiding a jewellery shop.

2017-11-05 • 44 min

9. Episode 9

Highlights from the series including how a gang of ATM robbers were nabbed, and footage from a police helicopter showing a driver being pursued by police who ends up in a reservoir.

2017-11-18 • 44 min

10. Episode 10

Nick considers images of a killer who dragged his ex-partner's body around in a suitcase. Elsewhere, the nail-biting moment a lorry driver halted a car whose driver had collapsed.

2017-11-26 • 45 min