Manti Te'o's 'Catfish' Trap, Online Dating Scam Phenomenon

Now we take a closer look at loneliness, romance, and secrets. The story of manti te'o, the football story whose girlfriend never really existed points to something new in our changing world. Not just... See More

Now we take a closer look at loneliness, romance, and secrets. The story of manti te'o, the football story whose girlfriend never really existed points to something new in our changing world. Not just a little deception, but a cruel and humiliating charade made possible by the digital age. Abc's dan harris has more on the latest discrepancies. There are some reports that the girl who apparently so enraptured mant eight te'o was not a girl at all, but still a young man. There are a lot of open questions about this case. But what we do know, romantic deception in the age of the internet is rampant. You fill in love with a blonde named abbey, but it was really this girl. Pretty much all of it was, you know, me. Just not me. Reporter: A muscle man named scorpio turned out to be this guy. I'm not sure what I was thinking. And the chiselled jaw of jamieson king grabbed the heart of a girl named sunny it's called being a catfish. The word comes from a 2010 documentary about this well educated photographer from new york city for months thought he found the love of his life online. Until he learned megan was actually angela. Angela had a couple of cellphones so that he would get calls from different people. Sometimes that's all it takes to believe in the whole world. Reporter: He directed the movie which has become an mtv show. The internet gives us a lot of new tools. But at the root of it is the same thing. The root of that has been the same for centuries, just sort of loneliness and a need to connect. He and his brother have been watching the manti te'o case with keen interest. Today it's been reported his girlfriend was texting him and calling him before every game, was in touch with friends and teammates. Manyfish are cereal offenders, as was the case with jamieson king. We're looking for jamieson. Hello. Is he here? It's me. Reporter: Sunny learned, it was this woman who the show says had a series of victims over four years. As for manti te'o, we have not heard from him. A source says they want him to speak out publicly, but the ball is in his court. Everyone waiting. Thank you. Coming up, watch this, a man