John M. Blackburn, 66, was last known to be in Eminence, Shannon County, Missouri, on April 13, 2022.

Public details about the case are limited. Missouri’s missing-person framework draws its listings from the National Crime Information Center through the investigating agency and the state database shows no attached resolution for Blackburn—no public confirmation that he was located alive or found deceased—so no outcome should be inferred from the available online information.

Does anyone who knew John or who was in the Eminence area around April 13, 2022, have information that could help investigators?