i'm chris hansen with "dateline nbc." >> okay. >> and we're doing a story on adults who try to meet underage teens online for sex. >> asfour still appears confused, but khan clearly knows what's coming. >> we're both going to get arrested, i think. >> what? >> i'm very sorry about this. i just want to make things right. i feel really bad about this. >> okay. i appreciate that. >> khan leaves. asfour follows shortly after. outside, the flagler beach police are waiting. >> on the ground. >> on the ground. on the ground. now. now. hands behind your back. >> back at the police station, the two men are questioned by investigators at the same time. asfour is worried about his reputation and still says he didn't do anything wrong. >> the situation will hurt me if it's on the tv. i'm not do any criminal in my life. even -- i not do any sex -- any sex with a woman. >> what if you had gotten over here and she had wanted to have sex with you? >> i would not accept. because many girls try to have sex with me. i swear i am virgin. i s

i'm chris hansen with "dateline nbc." we're doing a story on adults who try to meet minors online for sex. if there's anything else you'd like to tell me, i'd like to hear it. if not -- >> this is silly. >> what's silly? >> all of this is silly. i'm not going to keep doing this. >> silly to him, but just for a moment until he sees the police at the end of the boardwalk. >> hands on top of your head. lean over the rail. >> like the others, collins is taken back to the flagler beach police station. >> did you have any questions that you wanted to ask me? >> how much trouble am i in? >> he tells investigators his family is about to get bigger. >> how old are your kids? >> 4 and 6. >> oh, so you got young ones? >> uh-huh. >> are they boys, girls? >> girls. >> two girls. >> four month -- my wife's four months pregnant. >> oh, so you've got another one on the way? >> uh-huh. >> wow. >> yep. wow. >> what do you think your wife's going to say? >> i don't know. what would you say? >> i'd be pretty upset. >> yeah, me too. >> collin

i'm chris hansen from "dateline nbc." and we are doing a story on adults trying to meet children on the internet. what you may not know is that everything from the time you drove down the street until now has been videotaped. if there's anything else you'd like to say to us, we'd like to hear it. if not, you're obviously free to walk right out the door. >> all right. thank you. >> police. you're under arrest. get on the ground! >> anything sharp in your pockets? >> no. >> we're not going to let this guy leave if he doesn't come in. >> come in here for a second, tommy. >> i like to stay in my house. >> show me a piece of mail with your name on it. >> a piece of mail with my name on it? >> got to be something here with your name on it. >> i can go get my library card. >> okay. >>> a car coming back down the street. >> he wants a wave in. >> wave him in. >> thomas moffat was a guy who had a good job. he was like head of maintenance for a ritzy resort on the east coast of florida. and he'd been carrying on this conversation w

. >> i'm chris hansen with "dateline nbc." and we're doing a story on guys, men trying to meet teens on the internet. you are obviously free to walk out of this house. but if there's anything else you'd like to tell us about what went on here tonight and what you did on the internet, we'd like to hear it. >> it was stupid. i'm a stupid man. i am going to apologize. it was a stupid thing to do. i had no plans to do anything at all tonight. i just wanted to hang out. that's it. i had no plans. i -- >> the harris county sheriff's department was set up in like a play room or game room next to our house. by the time he got ready to go the harris county sheriff's department and the rest of the task force agents were in position to make the arrest. >> on the ground! now! >> get down now! >> get on the ground! put your hands behind your back. put your hands behind your back! >> please, don't take me to jail. >> put your hands behind your back. >> please, god, don't take me to jail. >> what's up, man? how you doing? doing pretty good?

i'm chris hansen. while reporting an undercover investigative story, it's typical to shoot more than 100 hours of video to make just one hour of television. that often means some riveting material is left on the cutting-room floor. but now we're going to show you some fascinating never-before-seen footage from a series produced by nbc numbers that followed undercover operations conducted by the las vegas police department. delving deeper into these tapes reveals striking details about people caught in the police stipulation, and gives you incredible access into a criminal world. all undercover sting operations are dangerous because you can't control everything. you try to control as much as you can. it's dangerous. by its very nature. we can't show the faces of the undercover cops who have given us this incredible access. not only could it compromise future operations, but could endanger their lives. what do we know about our guests tonight? >> we know his first and last name, a three time ex-felon. ho

i'm chris hansen with "dateline nbc." we're doing a story on adults who try to meet teens online. >> yes, sir. >> now, if there's anything else you'd like to say about this predicament you're now in, we'd love to hear it. >> just, trust me, it will never happen again. >> if there's nothing else you have to say, you're free to walk out that door where you stripped naked and walked in. you can keep the towel. he gets up and he sort of tries to hold it around him. i mean, that's a bad situation to be in. first of all, you got caught soliciting a teen online. second, you walk in naked, third, you're going to be on network television, now you're heading outside and you have to put your clothes back on and go back out there and you don't know what you're going to face. and you get arrested. that's bad. >> on the ground! >> are you here on business or what? >> no, just being stupid. >> being stupid. >> yes. >> do you have asthma? >> asthma, yeah. emphysema and a quintuple heart bypass. >> you still smoke? igh school sr made me w

>> chris hansen, how are you? >> you're from "dateline." >> exactly. >> oh. >> the police know what's going on, and -- >> okay. >> turns out that they were friends of the man from whom we rented the house. and they had seen some activity and they were just checking to see, you know, what was going on. >> they saw del outside and wondered who it was and they were checking up on things. >> it's an example of the unexpected things that always happen when we do one of these investigations. it was late at night when he showed up, and he made no bones about what he wanted to do when he got there. and the chat was very explicit. >> where are you at? >> had to go change out of my clothes, okay? >> okay. >> just hang out at the bar for a second. i'll be right back down. i just have on, like, a jacket and a thermal and a t-shirt and a t-shirt and another thermal and 80,000 pounds of clothing. >> it's a little late to be prowling around these parts, huh? >> it is, isn't it? >> why don't you have a seat here for me? >> all ri

i'm chris hansen for ann curry and all

albom, chris hansen with "dateline nbc." how are you? >> nice to meet you. >> we're doing an investigation into the trade of underage prostitutes in cambodia. and we know that you've frequented some of the places around phnom penh and svay pak. >> that's true, i have visited there many times. >> with underage girls? >> no, not to my knowledge. >> may i show you a videotape? >> yes, but not on camera. >> well, i think you'll want to see this. we show him some of the undercover video. >> i usually take -- they're usually very, very young. we say 15, 16, maybe a 14-year-old might sneak in if you can't tell the age. >> you say maybe a 15, 16, even a 14-year-old girl could sneak in. that's underage, doctor. >> i don't want to say anything more, but i've read about things like this. i've talked to people who have done this, but i deny any participation in anything like this. >> he denies breaking any laws and offers a possible explanation for his remarks. >> there are many things i've read about, many things people talked to me about. and i do

i'm chris hansen. a team of producers, photographers and i spent more than a year following several sting operations conducted by the las vegas police department. we were given unprecedented access to law enforcement, and an underworld that exists beyond the glitz of the vegas strip. but only a fraction of what we shot was ever broadcast. until now. in this hour of "vegas undercover raw," you'll meet criminals, hear how they committed their crimes, and then i confront many of them in jail, where some lies are told, but also some revealing truths are exposed. >> this is the [ bleep ] they're talking about. i'm sitting here talking to the home boy right now. >> brad is one of the very first people to walk into the store front. he seems like a pretty hard guy, a rough guy. i mean, i wouldn't want to go up against him in a dark alley. >> call my home bro, and i'll get him out there. >> i'm going to shoot one of you in the face, i swear. it's retarded, homes. they turn the littlest [ bleep ] into the bigges

i'm chris hansen. thanks for watching. >>> a kid coming home from the dentist. >> is this real life? >> a piano-playing cat. >> i'm like, oh, my god. oh, my god. look at this. >> artwork made with ketchup and fries? >> i couldn't believe that it was real. >> they are videos so original, so funny, so bizarre, you just have to pass them on. they're viewed by millions. >> owwww! >> what's their secret formula? ♪ "caught on camera: viral videos - millions served." >> hello. i'm contessa brewer. welcome to "caught on camera." have your friends ever e-mailed you a video that's so funny, so unique, or so completely absurd that you felt like you have to send it to everyone you know? if you've pressed "send," you've had a hand in spreading a viral video. it's not big budgets or great production values that make these videos so compelling. in this hour you'll see some of the most watched viral videos. each video has more than a million hits online. but why? you be the judge. ketchup and fries make a great snac

i'm chris hansen. over the years we've reported on all sorts of strange and baffling deaths. people pushed off cliffs, poisoned with antifreeze or with a rare radioactive isotopisotop. how often is someone shot with a crossbow and not just once, but twice? here's keith morrison. ♪ >> it is, need it be said, beyond bizarre, the sort of scrapes people get themselves in to, odd accidents, freakish, improbable. lightning striking twice. still, it does happen, doesn't it? though sometimes in the wounded wake of an incident especially strange, a question darkens the mind. was it really an accident? take, for example, this. on a warm sunny day in october 2005 in a sweet little town by the sea, virginia beach, virginia. >> she came in the store and was kind of chuckling about it. >> robert katz owns a jewelry store in virginia beach. he and charlene, his wife, are transplanted new yorkers and close friends of the injured party. >> she says he tried to shoot me with a crossbow. i said, you're kidding! and she goes, no. and i go, really, what are you talking about? >> shot with a cro