A state inmate died over the weekend at William Donaldson Correctional Facility in western Jefferson County.

Kevin Marcus Ritter, 33, was found unresponsive in an open-style dormitory at 8:45 p.m. Saturday, according to the Jefferson County Coroner’s Office. Corrections staff made the discovery.

Ritter was pronounced dead at 9:10 p.m.

Chief Deputy Coroner Bill Yates said the cause of death is pending further testing, but an autopsy found no evidence of trauma or foul play.

Ritter was serving a 20-year sentence for a 2014 robbery conviction out of Mobile County.

The Alabama Department of Corrections’ Law Enforcement Services Division is investigating the circumstances surrounding the death.