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LINCOLN COUNTY, Tenn- The Tennessee Bureau of investigations was called into investigate the death of a Lincoln County inmate on Saturday afternoon.

The TBI says Robert Thorpe died around 4:15 p.m. on Saturday. Lincoln County Corrections Officers found him unresponsive in his cell.

TBI was called into investigate after the officers were unable to revive the man. They tell us the investigation remains active and ongoing, and that an autopsy will be performed to determine the cause of death.

Stay with WHNT News 19 on air and online as we continue to follow this developing story.