chris hanson is undercover, and this time it's wilder than ever. >> don't touch him.u're illegally selling these drugs. >> is there anything else you want to say? >> welcome to the crazy world of the online classifieds. >> you lied about your name, you lied about this ticket, you tried to scam us out of $700. >> everything is just a click away. need a fake tax return? >> but it's falsifying documents. >> how about a real body part? >> you're okay with living with one kidney? >> or even a possible hit man. >> i've got a problem with a guy. >> okay. >> i've got to take care of it. >> okay. >> what can you do? >> i can do anything. >> what's really going on online? wait till you see what our hidden cameras find. >> we just caught you selling phony tickets. >> hi, mom. >> t wanna see me get some great deals? it's a new way to get cash back deals, and it's called bankamerideals! i sign into my online banking... click the "cash back deals tab"... and pick the deals i want. i just use my bank of america debit or credit card when i pay, and then i get up to 15% cash back -- p

>> i am chris hanson with "dateline" nbc. >> i watch that all the time. to me. >> i don't look like him? >> no. >> not at all? >> not at all. >> glen, i am that guy. >> as calm as he seems, the conversation then took an interesting turn and you'll see that tonight. >> that's bizarre, chris. thank you very much. appreciate it. you can see a special "dateline," the wild, wild westbound, 10:00, 9:00 central on nbc. >>> back to florida and get a check of the weather from al. >> today's weather is brought to you by keurig. >> reporter: seems like the worst of the bad weather is here in florida. the waves are still kind of rough out further to sea, but the heavy weather is just about done here. but sandy is not done by a long shot with the eastern united states. let's take a look, show you what we've got as far as the weekend is concerned, starting off temperature wise, big changes. we have a front, and back behind the front, temperatures 10 to 20 degrees below normal. ahead of it, temperatures 10 to 15 degrees above normal. then tomorrow, that front moves to t