Stephen Hammerle, 26, was last seen in Manhattan, Kansas on August 22, 1981. He was described as a white male with brown hair and blue eyes, about 5 feet 8 inches tall and 150 pounds. According to reports, there was no indication he intended to leave or disappear, and the details leading up to his last known whereabouts are unclear.

An active investigation took place at the time but the case eventually went cold. Authorities have kept the file open and have asked the public for help, but no significant leads or breakthroughs have been reported. Stephen’s family continues to hope for answers.

If anyone knew Stephen, saw him in the Manhattan area around August 22, 1981, or has information that could help, please come forward.