Harrison L. Duncan
Harrison Duncan, 43, died on March 17, 2026, after being held at the Oklahoma State Penitentiary in McAlester, Oklahoma, in the custody of the Oklahoma Department of Corrections, which lists the manner of death as homicide. According to the McAlester News-Capital, he shared a cell with another person, and officers found him bloodied and injured during a unit check on the night of March 17; he was pronounced dead at a hospital. A preliminary opinion from the state medical examiner's office classifies the death as homicide caused by sharp force trauma. The number of stab wounds is reported differently: an affidavit says more than 20, while an official information sheet lists 28.
Cause of death, as reported: Killed by another person in custody. The Oklahoma Department of Corrections lists the manner of death as homicide, and the state medical examiner's office preliminarily classifies it as a homicide caused by sharp force trauma from a cellmate's attack.
Reported by: Oklahoma Department of Corrections (the agency that held him); Oklahoma State Medical Examiner's Office (medical examiner or coroner).