On September 22, 1979, nine-year-old Mary Lou Sena and her eleven-year-old cousin, Billy Sena, vanished from their Albuquerque, New Mexico neighborhood. The two were last seen at approximately 10:00 a.m. in the vicinity of Edith Road and the 300 block of Mountain Road northeast in the Martineztown neighborhood. They had reportedly left to go to the post office and were never seen or heard from again. At the time of her disappearance, Mary Lou was a fourth-grade student at Longfellow Elementary S
...Read MoreLast Seen: Sep 22, 1979