Frontline Fightback - Season 3 Episode 7 -

A young mum is killed by a dangerous driver who was showing off to impress his friends, reaching speeds of up to 90mph in a 40mph zone. We look at how noise-detecting cameras are being used as part of a crackdown on dangerous and anti-social drivers.Also, the importance of fingerprint evidence and how 3D graphics are taking crime scenes to the courtroom.