Matt Thomas Amon was last seen in Pocatello, Idaho. on August 11, 1971. He was arrested for disorderly conduct in July of that year, spent a few weeks in the Bannock County Jail, and disappeared shortly after his release. He has never been heard from again. Amon previously attended Pocatello High School. He was allegedly hanging out with a rough crowd and was involved in illegal activities at the time of his disappearance. He was not reported missing for approximately forty years. Few details are available in his case.