Murder, rape, arson. Crimes that may once have been considered the preserve of the inner cities are now routine investigations for the police: the product of an increasingly complex and fractured society. As Hampshire police struggle to follow the evidence - or lack of it - BAFTA-winning director Patrick Forbes offers a rare insight into the reality of modern policing over in Britain. This second episode follows the work of a specialist rape unit in Portsmouth, the first dedicated unit to be established outside London; in other parts of the country rape is bundled in with other crimes and conviction rates can be as low as five per cent. Rape, however, is a uniquely difficult crime to solve. It often takes place behind closed doors with no corroborating evidence, and no outside witnesses: all too often it boils down to one person's word against another's. Can Crystal - a unit of dedicated officers - make a difference? The final installment of Daredevils can be seen at 10.00pm. Gilo Cardozo gets the world's first practical flying car off the ground...