Deaths in Custody
Died in prison

Harrison Duncan

43 years old · died March 17, 2026 · Oklahoma State Penitentiary, Oklahoma

Harrison Duncan died in a hospital on March 17, 2026, held at Oklahoma State Penitentiary, in the custody of the Oklahoma Department of Corrections. Harrison Duncan was 43 years old. The department lists the manner of death as homicide.

Cause of death, as reported: Cause not yet determined. Oklahoma Department of Corrections recorded the manner of death as homicide.

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.

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