John Callahan, 63, was killed in Tulsa, Oklahoma on August 12, 1978. Few details about his death have been made public, and no arrest has been reported. The case remains unsolved.

The limited information available leaves basic questions about where and how he died, who last saw him, and whether any witnesses came forward at the time. Anyone with information about John Callahan’s death is asked to contact Tulsa police or leave a tip through local Crime Stoppers.

Did anyone in Tulsa in 1978 have information about John Callahan’s whereabouts or the circumstances of his death?