How a violent sex attacker was finally jailed for murdering Sarah Crump, 30 years after he was first cleared of the crime, thanks to her devoted family's pursuit for justice. And the gang trafficking kids to sell drugs for a ruthless crime gang.

The chilling case of how a mass murder plot was foiled, thanks to a routine house call by officers in which they discovered an arsenal of weapons, ammunition and a kill list. And how an audacious drug gang dressed as fake cops to hide their identities as real robbers.

After much-loved family man Mark Noke is killed in his home in Southampton, the police investigation reveals plans for a complex heist gone tragically wrong. Also, the gang selling fraudulently obtained passports to Britain's most wanted criminals.

The cat-and-mouse chase to bust a gang who enrolled at Swansea university in order to sell drugs to students. Plus a twisted case of revenge. Why did a man who was attacked with a machete in Cardiff refuse to cooperate with the police? When a shooting happens on the streets, detectives finally find a link, but, bizarrely, it takes a visit to the x-ray department of the local hospital to finally find the unusual hiding place for the gun.

When detectives investigate a wine investment scam, they uncover a breathtaking story of deception involving £1 million worth of gold bars, the FBI and a suspect who thinks he’s got away with it. Also, how fake art was sold to the elderly as an investment when it was worth nothing at all.