ATLANTA (WAOK)- A Marietta man is facing charges for being a cellphone peeper at an Acworth Wal-Mart. Police say Twenty-year old Christopher Luna is accused of stalking a woman at the Acworth Wal-Mart pharmacy, then leaning down and snapping a picture of her from under her dress with his cellphone. Acworth Police Major Wayne Dennard says the victim never knew she had been snapped. Luna was caught on tape by the store security camera. He was arrested before he could leave the store. Now police are concerned that there may be other victims. If you think you may have been a victim of the cell phone peeper, contact Acworth police.