The autopsy report and toxicology report for Officer Fredrick Portis determined his cause of death as Subarachnoid hemorrhage due to acute aneurysmal rupture in the posterior cerebral arterial circulation due to hypertensive cardiovascular disease. His manner of death which occurred on May 25, 2023, was determined by the Harris County Medical Examiner's Office to be natural causes. This report was obtained by Aubrey R. Taylor Communications, which publishes Houston Business Connections Newspaper.