How a gang who stole priceless books were caught, and a forensic artist who creates facial reconstructions of missing people to show how they might look in the present day.

The Crimewatch team are back, coming live from their studio in Cardiff. Working with forces across the country, they need your help to crack the UK's biggest unsolved cases. They also hear about the painstaking detective work that has brought criminals to justice, reveal the extraordinary stories of those working on the frontline, and hear about regular people all working to improve their communities.