skimming all across this country, got so bad that steve scarince, and the united states secret serviceo protect the president they are now on the case. >> are you winning the war? >> it's even, right now. we are doing our best. we certainly could use more help. >> getting help from police departments, tipoffs from gas station owners and just wait until you meet one of their secret weapons. >> somebody turned my partner in, he turned me in. >> dan felipe is a reformed credit card hacker. he switched side. he was caught by the secret service. and then spent two years training agents in the dark art of skimming. >> it is very easy. it's -- a lot of money. you can make tons of money. >> gas station skimming is one of the easiest and best ways of doing it because it is hidden. it only takes second to open it up and put it in there. so this is the reader that will be inside the gas pump. and so you would just swipe it through and it would read it right here. >> so you just add this into the circuit? >> that's exactly it. what you would do is unplug this. you would take the skimmer and plug i