Karl Conrad Vanfossan was 67 when he was last seen in West Memphis, Arkansas, on September 27, 2018. His disappearance has been classified as endangered missing.

The West Memphis Police Department is listed as the investigating agency, and his case appears in Arkansas missing-person awareness efforts such as the Never Forgotten campaign. Beyond the basic descriptors and the last-seen date, there are no further publicly stated facts about what happened after he was last seen.

Did anyone in West Memphis or the surrounding area have contact with Karl around late September 2018 or notice anything that could help explain his disappearance?