A private prison company says an investigation is underway after a Mississippi inmate was found dead in his cell.

Management & Training Corporation said in a news release Wednesday that Robert Williams, 29, was found Tuesday at East Mississippi Correctional Facility.

Williams received a 10-year sentence in 2013 for convictions on burglary, aggravated assault and armed robbery in Pike County. An autopsy will be done.

East Mississippi Correctional Facility is a men’s prison located in unincorporated Lauderdale County, Mississippi, near Meridian. It is about 90 miles east of  Jackson.