In the late morning of September 22, 1979, in the Martineztown neighborhood of Albuquerque, New Mexico, nine-year-old Mary Lou Sena and her eleven-year-old cousin, Billy Sena, vanished without a trace. The two children were last seen together near Edith Road and Mountain Road, having received permission to go play on the grass at the local post office. Mary Lou, a fourth-grader at Longfellow Elementary School, was wearing a red halter top at the time of her disappearance. She and Billy, a sixth-
...Read MoreLast Seen: Sep 22, 1979