quiet. >> there he is. >> there he is. >> this man pulling into our driveway is 38-year-old peter ceegot, screen name donceech. online he goes into graphic detail how he would like to perform oral sex on the boy posing as a 14-year-old. the decoy plays along but donceech repeatedly says he's afraid of getting in trouble. we think we know why. listen as this female decoy pretending to be brian talked to donceech on the phone. >> no, what are you talking about? what's "dateline"? what is it? it's like "cops" or something? this ain't cops, you know. >> despite his fears of being caught in our report, the 38-year-old shows up anyway. >> come on. get in out of the rain. you're gonna get yourself all wet. >> del from perverted-justice now takes over the role of the boy and tries to convince the man to come inside. but donceech seems very reluctant. >> hey, bro, come on in.