has a legally registered gun in the trunk of his car. along with a clip loaded with bullets. >> that's not good. >> these guys are living in a fantasy world. they have this fantasy of having sex with a child. and you don't know how far they're going to take that fantasy. they may have a fantasy of going out in a blaze of glory. they may have a fantasy of harming somebody when they go out. you just don't know. >> later, he pleaded not guilty. >> take him, he's running. coming up -- >> he's in the vehicle. >> heavy traffic at our undercover house.