Alan and his wife, Amanda, claim that a 24-year-old woman named Sarah has been using Alan’s photos to lure in other women in an online love scheme that has been going on for years.

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The couple says they learned that Sarah was the catfish after hiring a private investigator.

WATCH ‘We Were All Shocked To Find Out Who It Was,’ Says Man On Discovering Who Was Using His Photos As Catfish Bait

Alan claims that not only did Sarah create a fake dating profile using his photos, but that she had ongoing conversations “with at least 50 different women.”

“This isn’t just a game to the victims,” says Dr. Phil in the video above. “People actually form relationships, and they make emotional investments.”

WATCH How Catfishing Destroys Lives

Amanda claims Sarah had also acquired personal information about her family that wasn’t online. How did she get it?

Check here to find out where you can watch part one of a two-part Dr. Phil airing Thursday.

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Man Says The Woman Who Used His Identity To Catfish Others Has Apologized