kitchen. i told you to come on in out of the rain. did you not hear me? >> he wants to be sure del is really the boy he came to see. >> take your hat off. >> he's leaving again. >> after del refuses to take her hat off, the 38-year-old heads back to his car. >> stop! >> that's when law enforcement moves in and arrests him. >> get the camera out of my face, buddy. >> and as you're about to see, there are more potential predators like donceech, who don't stay long. >> del is going to go out and try and get him. he's looking for a black female so we are trying to pull this off. >> meet 43-year-old james kline, a married man with three children. he's here to meet a girl who told him she was 15. online he calls himself holdyoucloser2003. he asks the girl if she ever experienced oral sex. she tells him no. and he says i can tell you one thing, your mouth, you're