it was a case of hit-and-run. A speeding car struck and badly njured a boy on a bicycle. Instead of stopping to help, the ear's driver sped away and disappeared. The police in the Canadian city of where the accident occurred, had very few clues. No one had seen the accident. How could they find the driver? The car was the key. On the bo clothing was a small bit of paint probably from the car that hit him. Scientific analysis showed that the paint might have come frum a certain model of car, a Chrysler Coronet The police examined hundreds of Coroncts, but thc paint from the crime scene didn' match any of them. Finally, officers found an old car with paint that matched perfectly. Government records showed who had owned the car, and the police caught the guilty driver cars are involved in many crimes. As in the Sudbury case, the car might have hit someone or something. In other cases, cars transport criminals, weapons, stolen property, or even crime victims to or from the location of a crime. Just as a criminal leaves behind fingerprints, hair, or footprints, crime cars leave signs saying, "I was here.'