Verdict : Make sure the credit cards in your wallet are yours . Check the name on the card every time you sign for something and/or the card is taken away for even a short period of time . Many people just take back the credit card without even looking at it , " assuming " that it has to be theirs .

Question: Why would someone intentionally hand a card to a customer that was not the customers ?
Answer: The owner of the credit card does not matter , only that the card is valid .It is a simple mistake that some workers make .The credit card defines who the person is , switching cards provides a new identity .So the card can be used , by the worker , to buy items .