Also if they had been bought within a certain time-frame it is not to hard to go back and get video of the purchase depending of where it was bought at. It isn

Also if they had been bought within a certain time-frame it is not to hard to go back and get video of the purchase depending of where it was bought at. It isn't instant to find the person but not usually impossible. Walmart takes video of every purchase, correlates the items bought to the credit card, etc.