Died in prison
Douglas Blackwell
Douglas Blackwell died in a hospital on June 3, 2026, held at Joseph Harp Correctional Center, in the custody of the Oklahoma Department of Corrections. Douglas Blackwell was 59 years old. The department lists the manner of death as natural.
Cause of death, as reported: Died of illness. Oklahoma Department of Corrections recorded the manner of death as natural.
Reported by: Oklahoma Department of Corrections (the agency that held them). The only account of how this person died comes from the agency that held them.