Manti Te'o Girlfriend Hoax: Football Player Claims 'Catfish' Scam

Notre Dame football star says he was scammed by an online "catfish" who claimed she was dying.
3:18 | 01/17/13

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Transcript for Manti Te'o Girlfriend Hoax: Football Player Claims 'Catfish' Scam
oh, it's me. I thought you were doing the pop quiz thing. No. It got killed. We're going to talk about catfishing. People going online and fooling other people into thinking they're somebody completely different. You can change your gender, your name, your occupation, your entire life. We told you notre dame football player manti te'o says he was the victim of an elaborate hoax. And he is not alone. Listen to notre dame star linebacker manatti te'o, back in october, mourning the loss of the woman he thought he loved. The most beautiful girl i ever met. Not because of her physical beauty. But the beauty of her character. Reporter: This morning, it turns out that beautiful girl was really an ugly scam. Te'o says this morning he was being duped, allegedly tricked by a catfish, an internet pretender who built an elaborate fake life and sucked him in. Neve knows how he felt. He fell for megan, a girl from michigan. Only to find out that she was a middle-aged mom. Why were you so captivated by her? It was different. It was something new. It was a little mysterious. Reporter: Now, schulman is helping catch other "catfish" in his mtv series. I'm hitting to road to help people meet their online loves for the first time. Reporter: In one episode, he meets sunny. He's going to be an theseologist. He takes classes online to been an anesthesiology? Yeah. Reporter: They go searching for the truth. A devastating discovery. We're searching for jamison. Uh-huh. Is he here? this guy, how long now? At least four years. Reporter: For manti te'o, the scam was allegedly worst, not only tricking him to fall in love, but breaking his heart. Convincing him his girlfriend was in a car accident. And she died of leukemia the same day his grandmother passed away. My grandmother lost her life. And taking the love of my life. The person you're talking to has a series of family incidents, illness, often times cancer, which we see a lot. Reporter: Miraculous survival. Car accidents, things like this. Something to watch out for. Reporter: Do you think we're going to see more of this kind of phenomenon? Absolutely. So long as we're not looking people in the eye, face-to-face, there's always going to be room, a lot of room, for deception. No kidding. It's really something. People are lonely. They look for love. They go online. And people can be lying to you. And they fall for it. It's weird because the people who do this to other people are actually themselves are often lonely people, leading lives they wish were a little more exciting. We're going to southern to

This transcript has been automatically generated and may not be 100% accurate.

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