FORT WORTH, Texas -- A Fort Worth mother said the refurbished Sony PlayStation Portable memory card she bought from a local Gamestop store was packed with pornography.

Sandra Hemm said she bought the refurbished card for her son at the McCart and Alta Mesa store and was told it would be like new.

Instead, she said, the card, which stores game data, contained several pornographic videos and photos.

She said she made the discovery when her son, John, and a friend turned on the game system.

"Oh my goodness. I just, my stomach turned, you know. I just was sick. I just couldn't believe they had witnessed that," Hemm said.

A GameStop spokesman said he has never heard of an incident like this happening and said the company has a process to erase data from refurbished cards.

The GameStop corporate office is investigating.