When Amanda received messages in 2012 alerting her to an online catfishing scheme that was using photos of her husband Alan as bait, she says they weren’t too concerned. Then, they say victims started sending her photos of both the exterior and interior of their home.

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Not knowing whether the person was a stranger or someone they knew, the couple decided to hire a private investigator to solve the mystery.

WATCH Woman Claims Someone Has Been Using Her Husband’s Photos As Catfish Bait

“We were all shocked to find out who it was,” says Alan. “The person behind this actually wasn’t a creepy man at all,” says Amanda, adding, “it was a 24-year-old female.”

WATCH How Catfishing Destroys Lives

Who is the woman, and how was she able to get photos and personal information about Amanda and Alan’s family?

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

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Man Claims Woman Who Used His Photo To Catfish Others Had Ongoing Conversations ‘With At Least 50 Different Women’