Pictures of girls ' faces on photos of adult nude bodies lead to charges . Comment: Child 's face attached to pictures indicates `` simulated sexual activity , '' official says . `` Virtual pornography '' cases such as this present a unique legal issue .
Pictures of girls ' faces on photos of adult nude bodies lead to charges . Investigators do not believe Campbell had any contact with the three girls . Child 's face attached to pictures indicates `` simulated sexual activity , '' official says . `` Virtual pornography '' cases such as this present a unique legal issue .