>> i researched, and sure enough st. paul had a case of the hotel. and started working on that angle. >> the same poll hotel swindle. >> joanne gave him one of their experience cars, so he paid a visit to the law office address. >> that address he claimed, they said there's nobody who would ever been there by that, it's real addressed, but he never been to the law firm or anything like that. >> and you call the number one woman we answer, right? >> i ever find out who this one was? >> no. >> that's gonna news team brainstormed ways to catch, derek and came in with a plan. >> he had originally showed joann to shut down the credit card derrick had been using. but now he had a different idea. let's activated again. >> see if derek is using the card. >> she turned her card by. calm >> and doesn't work? >> they started giving information between the credit card companies, which brings out that he bought it trying to