Santos Luna, 82, was last seen March 20, 2004, in Hornbrook, California. He is described as a Hispanic male. Authorities have not released specifics about where he was that day or any unusual circumstances tied to his disappearance, and no major leads have been reported.

The Butte County Sheriff’s Department is handling the investigation, which remains open.

Anyone with information that could help locate Santos Luna or clarify his movements on March 20, 2004, is asked to contact the Sheriff’s Office.