The signs pointing to a crime car are called"trace evidence" in a tion to paint, trace evidence may be a tire track, a piece of glass, of of oil, a piece of metal, or even a whole part from a car. Crime scene investigators(CSIs)
/ take pictures of the scene and carefully collect objects, hoping that something might hold an important clue In one case, a car full of explosives blew up under a New York City 5 building. The explosion caused a lot of damage and destroyed most evidence that could point to the driver. Among the twisted metal and broken glass, however, CSIs found part of a car's frame. It had a vehicle identification number on it. Police records matched the number with a car owned by a car-rental company in New Jersey. The pol quickly arrested the man who had the car. Tire tracks can also be especially useful. Every tire has an easy to see tread, a pattern of lines in the rubber. Even without special of police can often see this pattern in mud, on grass, or even ad pear a crime scene. A case in the state a for four years to find