The Arkansas Department of Correction announced late this evening that Roger Coulter, a death row inmate at Varner Supermax, died in a solitary cell at 6:28p.m. He was 57. According to the ADC website, Coulter was imprisoned on this day in 1989.

The Arkansas State Police were notified and will investigate said Solomon Graves, ADC spokesperson, as well the corner and medical examiner.

Here is the full release:

Earlier this evening, at approximately 6:28 p.m., Inmate Roger Coulter SK911 was found unresponsive in his cell at the Varner Unit by a correctional officer. Inmate Coulter was pronounced dead at 7:07 p.m. Inmate Coulter was sentenced to death in 1989 for the offence of Capital Murder by a jury in Ashley County. 

Here are ADC's policies on what occurs after an inmate death.

Scott Braden, from the Federal Public Defender's Office, sent the following statement:

We are heartbroken to hear of the passing of our long-time client and friend Roger Coulter. He was an accomplished artist and a dedicated friend and brother. We find solace in the knowledge that Roger was a committed Christian, sought forgiveness for his crimes, and is finally free from death row.