i'm chris hansen with "dateline nbc." >> i know. >> reporter: you know?uh-huh. >> have you seen previous stories? and as you'll hear later, the possibility of walking into an investigation wasn't enough to stop him. here comes another man who's seen our previous broadcasts. >> he's in the laundry room, he's in the kitchen coming towards the living room. >> his name is dallas lee. he's been chatting online in an aol chat room with a boy posing as a 14-year-old. it takes him less than seven minutes to ask the boy if he wants oral sex. the decoy says okay, cool. and a few hours later, he's walking into our living room. >> i'm finishing. hang out, okay? >> yes, sir. >> so you're pumped too, huh? >> yeah. >> reporter: so what were you so pumped for? >> oh, not too much. >> why don't you have a seat right on the stool there. what you doing here? >> he invited me over. >> reporter: who is he? >> tony. >> tony. and how old is tony? >> 14. >> reporter: what was your plan here with this 14-year-old boy? >> i mean we talked about sex and stuff like that. >> reporter

again, chris hansen. >> there he is. in. >> whether near a big city or a rural area like harris county, georgia, lines of potential predators find their way to our undercover houses. meet 24-year-old brian lindsey, here because he was invited by a girl who said online she was 15. >> i've got to throw some clothes in the wash, okay? i made you some tea. >> using the screen name blindsey01 he describes how he wants to give the girl oral sex. he says, i can't control my horny level. then he says, i want to blank your brains out. i can't help it. now he's driven 2 1/2 hours to meet her. >> have some tea if you want some. it's sweet tea. is that okay? >> i drank something on the way. >> did you find the place okay? >> yes, sir. >> why don't you have a seat over there, please. what are you up to tonight? >> just driving around. >> just driving around? >> yes, sir. >> why is he just driving around? he says he's been away from georgia for two years, while serving in the united states air force and he wanted to learn his way arou

i'm chris hansen with "dateline nbc."ng stories on adults who try to meet teens on the internet for sex. so what happens to these men after they're arrested? >> on the ground. on the ground. >> you will hear more incredible revelations as the suspects tell their stories to the police. >> this is so sick. why did i do this? >> when our "det ♪ that's why right here, in australia, chevron is building one of the biggest natural gas projects in the world. enough power for a city the size of singapore for 50 years. what's it going to do to the planet? natural gas is the cleanest conventional fuel there is. we've got to be smart about this. it's a smart way to go. ♪ >> announcer: this past year alone there's been a 67% spike in companies embracing the cloud-- big clouds, small ones, public, private, even hybrid. your data and apps must move easily and securely to reach many clouds, not just one. that's why the network that connects, protects, and lets your data move fearlessly through the clouds means more than ever. mine was ea

>> no. >> i'm chris hansen. and i'm a reporter for "dateline nbc." it's a news show.nd we're doing a story on computer predators. >> you have the right to remain silent. anything you say can and will be used against you in a court of law. >> once these guys are arrested, they're evaluated and they're monitored. >> if you decide at any time to exercise these rights, you can make any statement. do you understand? >> you ask her if she's horny. you ask if she does anal. >> it's a question. >> in this state, depending on the circumstances, that is against the law. do you get that? >> it's against the law to say it on there? >> it's against the law to solicit underage girls for sex. e lasercomb from hair club. it's quick, easy and affordable, and the extreme lasercomb is revolutionary. here's how it works. d.h.t. forms around the hair follicle, which shortens the lifespan of your hair. the extreme lasercomb combats hair loss, causing the hair follicle to grow thicker, stronger hair. this new technology is f.d.a.-cleared and clinically proven to work in 93% of candidates. c

. >>> let's move on now to chris hansen. you might know him from "to catch a predator."ccused child molesters or guys trying to get together with teenage girls or boys. in any case, he apparently has been caught in a different kind of sting operation himself. >> oh, dear. >> now this is all allegedly and apparently. but evidently the "national enquirer" was following him around and discovered that he was cheating on his wife with this younger woman. >> we should say, "the national enquirer," not necessarily the beacon of journalism. >> but they've been right before. >> they broke the rielle hunter/john edwards story. >> agreed. we'll have to see what happens here. but he could be in a little trouble with his wife, if nobody else. >> that's tough. it's apparently another journalist as well. >> yes, that he was with. >> as you mentioned, a younger woman. >> exactly. >>> okay, also we're talking now about "american idol," when we all know you have a bizarre, weird, bizarre crush on steven tyler. he's coming back. so is randy jackson, dawg. the bibiquestion mark, j. lo. will