Series 2

A yacht is tracked by police as an organized crime gang uses it to smuggle deadly weapons into Britain and a recording of a prison phone call helps jail a bank cashier for arranging to steal an elderly couple's life savings.

A discarded cigarette butt gives police the proof they need to find the murderers of a young father shot and killed in broad daylight. A used match found in a drainpipe identifies a arsonist who burnt a 400-year-old building to the ground.

An airport hire car provides the clues to the identities of a pair of South African hitmen who have come to the UK to brutally murder a private investigator in his home. A rare bottle of Caribbean rum helps convict a prolific burglar.

A train ticket and a chance encounter help hunt down a pair of hi-tech international fraudsters with links to the Russian underworld. A glass milk bottle gives police the evidence that seals a case against a violent offender.

A bloodstained shopping trolley holds the key to solving the case of a vicious assault. A distinctive pair of curtains, seen on a video call thousands of miles away, helps put a phone thief behind bars.

A drug boss is put behind bars thanks to a paper trail from his dodgy property empire. A bank cashier helps convict a fraudster who's posing as a police officer, exploiting a vulnerable pensioner in a scam to extort thousands of pounds.

No overview available for this episode.

No overview available for this episode.

No overview available for this episode.

No overview available for this episode.

No overview available for this episode.

No overview available for this episode.

No overview available for this episode.

No overview available for this episode.

No overview available for this episode.