A 57-year-old inmate being treated for a medical condition has died at the Tecumseh state prison.
The Department of Correctional Services reports Russell Summerville died very early Friday morning. A grand jury will be empaneled to investigate the death in accordance with state law.
The department says no cause of death has been determined, yet.
Summerville was serving 40 years on two counts of first-degree sexual assault from Douglas County.