Rav Wilding and Michelle Ackerley ask for viewers' help to crack unsolved cases. The first week of the series begins in the south east at the Metropolitan Police's specialist training centre in Gravesend, Kent. Michelle finds out about the public-order training frontline officers receive to prepare them for large-scale events. There is also an exclusive behind-the-scenes look at the challenges of dealing with rival football fans outside Wembley stadium on FA Cup final day.

In the studio, Rav has the latest crime appeals from all over the UK as well as tips, advice and features, including the latest crime-fighting gadgets. The team ask viewers for help to solve crimes featured in dramatic reconstructions, identify criminals caught on CCTV and track down wanted faces. Show less