Lillian Irene Estrada was 16 when she disappeared from her Spring Valley, California, home on September 29, 1990. She was last seen wearing a black jacket, black shirt and black pants. Lillian was 5 feet 1 inch, about 105 pounds, with brown hair and brown eyes, and an L-shaped scar near her elbow.

Classified at the time as an endangered runaway, few details about the circumstances of her disappearance have been released and the case remains unsolved. An age-progression image to show how she might look at 37 produced no major leads. Anyone with information about Lillian is asked to contact the San Diego Sheriff’s Department.