Heather Lindsay Silver was 18 when she was last seen at St. Mary’s Hospital in Tucson on September 12, 1997. She is described as a white female with light brown hair and blue eyes, about 5 feet 2 inches to 5 feet 4 inches tall, weighing 135 to 145 pounds, with a scar on her right cheek and a small brown birthmark on one cheek. Witnesses said she left wearing jeans and a blouse.

Why Heather was at the hospital has not been publicly disclosed. She had asthma, so medication needs were a particular concern after she disappeared. Public information about her family is sparse; some online mentions say her father may have worked at the hospital, but that has not been confirmed.

The Pima County Sheriff’s Department lists the investigation as open. Her photo and age-progressed images have circulated to keep the case visible. If anyone knew Heather, saw her around St. Mary’s Hospital on September 12, 1997, or has information that could help, please come forward.