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.
A wedding video helps crack the case of a teenage abduction, and an expired pilot’s licence exposes a fraudster flying under the radar.
A hoodie helps police take a dangerous attacker off our streets, and a car's satnav reveals the mastermind behind the biggest armed robbery ever to hit Devon and Cornwall. Show more
A vehicle's satnav puts a pair of prolific animal thieves behind bars, and an anonymous letter holds the key to the identity of a blackmailer on a mission to poison babies. Show more
A plot to extort thousands of pounds from a casino is foiled by a high-stakes sting operation, and a discarded cigarette butt helps convict a man of indecent assault. Show more
A drug boss is put behind bars thanks to a paper trail from his dodgy property empire, and an observant cashier helps convict a fraudster who is posing as a police officer. Show more
A packet of wet wipes helps convict a driver responsible for a deadly hit and run, and a distinctive tracksuit puts a gang of ruthless thieves behind bars. Show more
An airport hire care helps bring a pair of international hitmen to justice after a private investigator is murdered, and a bottle of Caribbean rum helps convict a prolific burglar. Show more
A discarded cigarette butt helps catch the murderers of a young father, and a struck matchstick puts the arsonist of a Tudor building behind bars. Show more
A train ticket and a chance encounter help hunt down a pair of hi-tech international fraudsters, and a bottle of milk seals a case against a violent offender. Show more
A single text message, hidden amongst thousands, nails a serial fraudster; and an extraordinary surveillance operation leads straight to some kidnappers – and their hostage. Show more
A plastic bag heat sealer convicts an online drug trafficker, and a casual chat with a criminal, plus a map, join the dots to catch three burglars terrorising a neighbourhood.
How a single glove reveals the identities of a prolific and violent gang, and an image of a distinctive ponytail solves a hi-tech bank heist.
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. Show more
A regular pair of pyjamas reveals the shocking true identity of an attacker who left his victim for dead, and a bright yellow baseball cap puts a daylight robber behind bars.
How a discarded scrap of paper found in a household bin helps convict a cold-blooded killer; and a distinctive mole holds the key to locating a dangerous and predatory attacker. Show more
A distinctive sticker on a laptop finally links a man to a string of burglaries, and a shiny copper hair dye puts a dangerous armed robber behind bars. Show more
A yacht is tracked by police as a gang uses it to smuggle deadly weapons into Britain, and a prison phone call helps jail a bank cashier for arranging to steal thousands. Show more
A travel card holds the key to convicting a violent offender after a spate of random stabbings, and a bureau de change receipt helps put a pair of thieves behind bars. Show more
A spent bullet casing holds the key to bringing two murderers to justice, and a hire car helps track down a thief who has stolen thousands from supermarket tills. Show more