The Moment of Proof

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.

A discarded cigarette butt helps catch the murderers of a young father. And a struck matchstick puts an arsonist of a Tudor building behind bars.

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 convicts a prolific burglar.

A train ticket and a chance encounter help hunt down a pair of high-tech international fraudsters. And a bottle of milk seals a case against a violent offender.

A blood-stained shopping trolley holds the key to solving a vicious assault; and a pair of distinctive curtains puts a phone thief behind bars.

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's posing as a police officer.

A mobile phone hidden in a bundle of clothes helps save a young woman from a forced marriage. And a burnt tea-towel helps convict a gang of a callous shooting.

Stained bank notes hold the key to tracking down a brazen bank robber. And hidden camera footage from a high-tech sting operation helps snare a prolific gang of thieves.

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.

A travel card holds the key to convicting a violent offender, following a spate of random stabbings. And a bureau de change receipt helps put a pair of thieves behind bars.

A spent bullet casing holds the key to bringing two murderers to justice. And a hire car helps track down a thief who's stealing thousands from supermarket tills.

A thief that prowls for victims on social media is locked up, thanks to the sheath of his knife. And a plea for help scrawled on a 10 pound note puts two kidnappers behind bars.

A plot to extort thousands of pounds from a casino is foiled, thanks to a high stakes sting operation. And a discarded cigarette butt helps convict a man of indecent assault.

An elderly murderer is convicted after a cat and mouse chase with armed police. And a fraudster is locked up, after using dummy phone handsets to con high-street shops.

A car key helps crack a criminal conspiracy to steal luxury car parts. And a torch provides the proof needed to convict a man of violently assaulting a pensioner in a graveyard.