When a car is caught running a red light, police find themselves chasing an armed criminal. A suspicious death leads to an investigator discovering a deadly plot to poison a man.

A copper's instinct leads to armed robbers being caught in the act. A dangerous driver turns out to be a big-time drug dealer.

A stop-and-search leads to the arrest of a serial killer, a copper's instinct ends in an armed stand-off, and a road traffic collision cracks a massive fraud.

A traffic collision leads to a cold-blooded killer, a casino customer leads to a money laundering scheme, and a speeding motorbike leads police to arrest a prolific burglar.

A suspicious solicitor is caught arranging sham marriages, a poaching complaint brings down an international smuggler, and a dodgy number plate ends in a high-speed pursuit.

An everyday burglary solves a series of dramatic ram-raids, a minor theft leads to a kidnapping conviction, and a consumer complaint leads to the arrest of prolific fraudsters.

A tip-off leads authorities to crack the UK's biggest case of food fraud, a copper's instinct uncovers conspiracy to commit fraud, and a faulty light leads to high level drug dealers.

Antisocial behavior helps solve a string of terrifying robberies, a disturbance uncovers a massive haul of firearms, and a dodgy truck license cracks a smuggling operation.

Two PCSOs are caught in a web of lies, a tip-off leads to police cracking a 2-million insurance scam, and a married couple rip-off thousands of concert goers.

A series of burglaries allow police to crack a drug dealing conspiracy, a consumer complaint brings down a national fraud, and a jet-setting con-woman is brought to justice.