Mark Allen Merritt was 21 when he disappeared from Big Spring, Texas, on May 1, 1982. He was a patient at the Big Spring State Hospital and had a disability. Investigators classify him as endangered missing and consider the circumstances suspicious, but very few details about what happened that day have been made public.

Descriptions list him as a Caucasian male with black hair and brown eyes, between 5 feet 11 inches and 6 feet 3 inches tall and weighing 210 to 220 pounds. He may have had facial hair such as a mustache or beard when he vanished. The Taylor County Sheriff’s Office is the investigating agency and the case remains unsolved with no substantial leads reported.

If anyone knew Mark, saw him in Big Spring around May 1, 1982, or has information that could help, please contact the Taylor County Sheriff’s Office.