Died in prison
Clifford Greenhalgh
Clifford Greenhalgh died at Joseph Harp Correctional Center on August 11, 2026, in the custody of the Oklahoma Department of Corrections. Clifford Greenhalgh was 66 years old. The department's list shows the medical examiner's ruling on the manner of death as pending.
Cause of death, as reported: Cause not yet determined. Oklahoma Department of Corrections lists the manner of death as pending.
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.