Series 4 (2012)

Former detective Rav Wilding and roving reporter Dave Guest hunt for information to help solve cases and combat crime, presenting from a different police force each week.

Former detective Rav Wilding and roving reporter Dave Guest hunt for information to help solve cases and combat crime, presenting from a different police force each week.

Former detective Rav Wilding and roving reporter Dave Guest hunt for information to help solve cases and combat crime, presenting from a different police force each week.

Former detective Rav Wilding and roving reporter Dave Guest hunt for information to help solve cases and combat crime, presenting from a different police force each week.

Former detective Rav Wilding and roving reporter Dave Guest hunt for information to help solve cases and combat crime, presenting from a different police force each week.

Rav Wilding and Dave Guest appeal for information on unsolved crimes. Sussex police search for the hit-and-run driver who left a pregnant woman in danger of losing her baby.

A look at unsolved crimes, including the story of a family taken hostage in Haywards Heath. Plus Dave Guest learns why catalytic converters are the latest target for metal thieves.

Live from the seafront in Brighton, Crimewatch Roadshow appeals for the public's help in finding antique silver worth thousands of pounds stolen from one of the city's churches.

Live from the Marine Police Unit's base at Wapping, Crimewatch Roadshow discovers how they are cracking down on conmen who target tourists on London's bridges.

With millions of tourists visiting London in the summer, how are the Metropolitan Police keeping the streets clean? Alice Bhandhukravi accompanies officers on Operation Trafalgar.

Wiltshire police search for the conmen who gained access to an elderly man's home to steal his pension. And the team learn what the Salisbury Streetwatch members do.

Rav Wilding seeks the public's help in catching a conman who was featured in last year's programme. Alex Lovell follows officers targeting the problem of drugs in Swindon.

An appeal for the public's help in finding some rogue traders who conned an elderly couple out of £4,500. Plus, how Gwent police are cracking down on metal thieves.

An appeal from South Wales police to help catch the men who attacked a pensioner outside his home. Nicola Smith interviews the parents of murdered teenager Nikitta Grender.

Dyfed Powys police force appeals for help in the investigation of a prolonged attack on a Crickhowell pensioner in his home. Local reporter Nicola Smith follows an immigration raid in Aberystwyth, and we see what Dyfed Powys police are doing to prevent bikers' deaths on the roads.

West Yorkshire police appeal for help in tracking down a gunman who terrorised three students after a night out, and Nicola Rees learns about a crime-stopping computer.

Rav Wilding and the team appeal for help in identifying the bogus police officer who conned his way into an elderly woman's home near Leeds, stealing her life savings.

The team present an appeal for help in finding the men involved in an apparently unprovoked attack on a young father, leaving him with serious injuries and a long stay in hospital.

From the South Yorkshire police's dog training centre, Dave Guest and Nicola Rees meet the latest puppy recruits and the dogs especially trained to work with firearms officers.

Rav Wilding and the team present a final chance to help the police catch some crooks. Rav is in the studio, with the wanted faces the police need to find.