Juan Eliseo Porfirio Tum Tiu was 16 when he was last seen in Sullivan, Missouri, on January 8, 2017. He is described as 5 feet tall, 116 pounds, with brown hair and brown eyes. Authorities in Sullivan handled the investigation and entered his case into NamUs as MP41066; the National Center for Missing & Exploited Children assigned case number 1286046.

Details about what Juan was wearing that day or any distinctive features have not been widely released, and the circumstances of his disappearance remain unclear. Despite the case being open, tangible leads have been scarce and the investigation grew cold over time, leaving his family and community without answers.

If anyone knew Juan, saw him in Sullivan around January 8, 2017, or has information that could help, please come forward to the Sullivan Police Department.