as the technology gets smarter, so do the criminals and able to victimize you literally through the air. ted cherniki explains. >> reporter: watch a man sit down next to a woman and steal the key information from the credit card. >> here's your visa number. >> how did you do that? >> reporter: he works for identity stronghold specializing in fraud protection. look for this symbol on your credit card. if you have it, i sends out a radio frequency identification number. you can purchase it without swiping a card. thieves figured out how to expedite this. >> simple as the chip added to once functioning pin pad. >> reporter: police see a new level of cyber crime. thieves swap and inside you find one extra small computer chip to