Car involved in crimes leave behind that can help police find criminals. For example, in a case, some paint from a crime car was found on the victim. Other evidence found at a could include glass, oil, or tracks from the of tires. Sometimes , a whole part from a is found. This part might have an number on it. Crime scene investigators (CSIs) often help from a crime lab. equipment in the lab can often match a piece of evidence with a of car. This then makes it easier for CSIs to catch the criminals.