
A scribbled name in a discarded notebook is the key to putting a dangerous driver behind bars, and the serial numbers on stolen bank notes crack the mystery of a dangerous gang wreaking havoc in the capital.
Source: BBC 1
Series 3: Episode 5
Fingerprints found at the scene of a burglary prove to be the missing piece of evidence detectives need to convict a man responsible for the murder of the flat's owner. After th ...
19-09-2025
BBC 1
Series 3: Episode 15
A few tiny specks of grey paint help to solve not one but two brutal axe murders that have been baffling police. A determined detective has the paint tested and traced back to a ...
18-09-2025
BBC 1
Series 3: Episode 3
A single fingerprint recovered from a fish and chips wrapper tossed on the ground is enough to place a gunman in a rural location miles from his home. \n\nWhen police on a stake ...
17-09-2025
BBC 1
Series 3: Episode 13
An ice pick used to stab a man in the head on the street is recovered from the roof of a pub and brings a murderer to justice. Investigators are baffled after a man is brutally ...
16-09-2025
BBC 1
Series 3: Episode 12
A man is conclusively linked to a series of murders at music venues by a shoelace with traces of his final victim’s DNA on it. After two people are set upon at a music fes ...
15-09-2025
BBC 1
Series 3: Episode 11
A claw hammer recovered from a bin and contaminated with the DNA of both victim and killer is the final piece of the puzzle in a complex murder investigation. When the body of a ...
12-09-2025
BBC 1
Series 3: Episode 10
A single piece of A4 paper found on top of a hidden fax machine gives police the number of a shipping container used to smuggle millions of pounds' worth of drugs from Thailand. ...
11-09-2025
BBC 1
Series 3: Episode 9
A USB stick containing key information about the production and supply of illegal drugs is found in a raid of a respectable businesswoman’s house. Authorities tell police ...
10-09-2025
BBC 1
Series 3: Episode 8
A blood-spattered hammer is the key to charging the police’s prime suspect with a vicious murder. Police believe the man they have in custody is the killer, but with only ...
09-09-2025
BBC 1
Series 3: Episode 1
A fingerprint left behind during a previous break-in at a food factory leads detectives to the brutal murderer of a security guard at the same location months later. With no mur ...
08-09-2025
BBC 1
Series 2: 1. The Machine Gun Smugglers
A yacht is tracked by police as they follow an organised crime gang suspected of smuggling machine guns into Britain. A covert surveillance operation by the National Crime Agenc ...
07-04-2025
BBC 1
Series 2: 13. The Casino Blackmail
A plot to extort thousands of pounds from a casino is foiled by a high-stakes sting operation. Investigators hatch a plan to lure the suspects back onto British soil in order to ...
17-04-2025
BBC 1
Series 1: 6. The Notebook
A scribbled name in a discarded notebook is the key to putting a dangerous driver behind bars, and the serial numbers on stolen bank notes crack the mystery of a dangerous gang ...
31-01-2022
BBC 1
Series 1: 15. The Medication
A discarded gun cartridge helps the police to convict a man who gunned down a fellow officer, and a packet of medication helps to lock up a gang of violent jewellery thieves.
25-06-2021
BBC 1
Series 1: 14. The Ripped-up Note
A simple business card reveals the true identities of a gang of con artists, and a ripped-up, handwritten note holds the key to locking away two murderers.
25-02-2022
BBC 1
Series 3: Episode 14
A car hidden deep within a scrapper’s yard unlocks the riddle of a suspected gangland shooting at a secluded location. As police build their case against their prime suspe ...
04-06-2024
BBC 1
Series 1: 9. The Hoodie
How an ordinary hoodie helps police finally take a vicious and dangerous attacker off our streets; and a standard satnav reveals the mastermind behind the biggest armed robbery ...
03-02-2022
BBC 1
Series 3: Episode 12
A man is conclusively linked to a series of murders at music venues by a shoelace with traces of his final victim’s DNA on it. After two people are set upon at a music fes ...
15-09-2025
BBC 1
Series 2: 4. The Id Fraudsters
A train ticket to Glasgow helps police hunt down a pair of hi-tech fraudsters who have links to the Russian underworld and have been stealing identities and thousands of pounds. ...
13-01-2022
BBC 1
Series 2: 7. The Forced Marriage
A mobile phone hidden in a bundle of clothes helps save a young woman from a forced marriage in Pakistan. British embassy staff arrange for her escape back to family in the UK. ...
19-01-2022
BBC 1