Mexico Public Safety confirmed to ABC 17 News a man was found unresponsive Monday morning in the 900 block of Trinity St.
Officials confirmed 36-year-old Robert Birkner of Montgomery City was visiting with friends while on a furlough from the Montgomery County Jail.
Birkner was due to report back to jail on Monday.
Investigators said there was no indication of violence, but they’re still looking into Birkner’s activities before his death.
Anyone with information is asked to contact Mexico Public Safety at 581-2100, or Crime Stoppers at 800-392-TIPS.
Stay with ABC 17 News for the latest on this developing story.