Rooftop gas theft schemes around the nation.

How to disable a credit card satellite transmitter:wrap foil around it -- a low-tech way to rip off a high-tech system.

With the computer connection between the gas station and the credit card company down, the thief apparently hopes to charge items with an invalid credit card the old-fashioned way -- having employees make an imprint of the card and then send the charge in later. By then, the thief would be gone.