A flipper/scammer gets busted

Federal law says it is illegal to remove or alter the VIN on an automobile.
If you buy a fender from a wrecking yard I'm sure you will have a paper trail because you will have a receipt for the part that you bought.
YOU SHOULD have a receipt. The problem arises when someone complains. Do you always get a photocopy of the title from the parts vehicle? Some states require it. When I ship out of state I am required to send a photocopy