Deaths in CustodyWork in progressIn progress
Died in prison

Mark Barnes

70 years old · died April 27, 2026

Mark Barnes, a 70-year-old man from California, died on April 27, 2026, while being treated at HCA HealthOne Swedish Medical Center in Denver. He was held in a prison at the time of his death. The cause of death is pending an autopsy.

Cause of death, as reported: Cause not yet determined

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