>> are you? you know, it's against the law. >> oh. >> oh? >> yeah, yeah. no, no. i mean, it's bad. >> it's time to wrap up this interview and make room for our next visitor. >> well, there's something i gotta tell you. i'm chris hansen with "dateline nbc." >> [ bleep ]. cover my face. >> we asked him to go in the house and out the front door so this next man can come in through the garage. as our new arrival makes his way into the backyard, police arrest the first man in the front. the police are so quiet that this 33-year-old has no idea what's going on. his name is fernando bernal. he does computer support at a college. he's here to meet a girl who told him she was 13. >> hey! oh, you brought me something. >> yeah. >> yeah. how are you? >> fine. and you? >> good. come on back. and you can set it down on the bar. you can -- >> online he calls himself “a_latino_man559.” six minutes