OK listen up. No scrap yard is supposed to buy a vehicle without entering the Vin # into a ncstate database. That data base does not interface with NCIC.
Calling your local PD or SO. Probably won't help much in this case. But what will is for you to call your local DMV inspector. He has direct access to the system ALL scrapyards in NC have to use. If no Vin is visible on the vehicle then the yard has to call a DMV inspector out before purchasing.