Maria del Pilar Martinez Ledesma, 36, was last seen September 18, 2007, in the vicinity of Douglas, Cochise County, Arizona, near the U.S.-Mexico border. Reports say she was attempting to cross from the area of Agua Prieta, Mexico. She was described as Hispanic/Latina, between 5 feet and 5 feet 2 inches tall, weighing 140 to 160 pounds, with distinctive birthmarks on her neck and on her heel, and wearing dark blue corduroy pants when last seen.

The Pima County Office of the Medical Examiner took the official report of her disappearance on September 21, 2007. What happened during or after her attempted crossing remains unclear, and the investigation remains open. If anyone knew Maria, saw her in the Douglas or Agua Prieta area around September 18, 2007, or has information about her movements, please come forward.