An inmate fatally stabbed another inmate at Staton Correctional Facility in Elmore on Thursday. The facility is now on lockdown.
Department of Corrections officials say 35-year-old Grant Mickens was stabbed multiple times in the back, chest and arms.
The incident happened around 9:40 am. Mickens died 10 minutes later.
The alleged attacker is 31-year-old Demetric Horsley. Authorities say he used a makeshift knife to attack Mickens. Horsley is now charged with capital murder. Horsley was already behind bars for a 2005 murder conviction out of Mobile County. Mickens was serving a 22-year-sentence for a 2002 first-degree robbery conviction out of Shelby County.
Staton is a medium custody level correctional facility designed for 508 inmates with a population of 1,382, or 272% occupancy rate.