>> he's a 41-year-old truck driver from fayetteville, georgia. joseph myreck. he thinks a 15-year-old girl is inside ready to have sex with him. >> oh, you made it. come on in. i'm just getting some laundry out. >> his screen name is too graphic to use. he says, when it comes to sex, are there any positions you like best? the person pretending to be the 15-year-old says, i only did the one. he says, we'll try others. when the decoy said it's awesome he's bringing the big truck, he says, i don't want your mom finding out. because it would mess up a good thing. >> that's a big truck you got. how you drive that thing? >> it's like driving a car. >> i would love to go for a ride sometime. >> i'd love taking you. >> where exactly were you going to take her in that truck of yours? >> i was going to see certain places. >> like where? >> she just wanted to go for a ride. i'll take her for a ride.