someone calls 911 the law enforment, then depening on the situation they call the fire demarment or the ambulance or a police officer goes to the location
Answer:
Locard exchange is basically wherever you go you always leave something behind...this can help in a crime scene because it can help identify the suspect
Explanation:
things you can leave via Locard exchange
-hair
-fingerprints
-dead skin cells
-shoe print
