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Died in jail or a lockup

Crystal Mason

45 years old · died July 27, 2026 · Canadian County Jail, Canadian County, Oklahoma

Crystal Mason, 45, died on July 27, 2026, while held at the Canadian County Jail in Oklahoma. The Canadian County Sheriff's Office said she was shaking, was taken to medical, was alert and speaking with nurses until a seizure, and was then taken to a hospital, where she later died. Her family says she had no known medical issues and questions the timeline, and her cousin Diana Clayborn said the two grew up together and were more like sisters. The Oklahoma State Bureau of Investigation is investigating and is awaiting the medical examiner's report to determine the cause and manner of death.

Cause of death, as reported: Cause not yet determined (disputed). The sheriff's office and the OSBI have not yet determined the cause or manner of death, and her family, who say she had no known medical issues, questions the timeline of events.

Reported by: Canadian County Sheriff Chris West (the agency that held her); Canadian County Sheriff's Office (the agency that held her); Oklahoma State Bureau of Investigation (outside investigators); family members.

Sources (2)