BIRMINGHAM, Ala. (WIAT) — An inmate who had been serving a life sentence at William E. Donaldson Correctional Facility in Bessemer died Monday, the Jefferson County Coroner’s Report confirms.

More News from WRBL

Eddie Robertson Jr., 71, was found dead in the prison infirmary before 8 a.m. Tuesday. His death is believed to be from natural causes.

In 1993, Robertson was convicted of a burglary in Tuscaloosa County.

The Alabama Department of Corrections is investigating the exact circumstances surrounding his death.