Man Dies While in Custody at County Jail

Man dies while in custody at county jail

A 40-year-old man died while in custody at the Martinez Detention Facility on Thursday, according to the Contra Costa County Sheriff’s Office.

In-Custody Death Under Investigation At Martinez Detention Facility

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Sheriff Investigating In-Custody Death At Martinez Detention Facility

On Thursday, June 25, 2026, at about 9:06 AM, a deputy sheriff at Martinez Detention Facility intake discovered a male inmate unresponsive in a room. Health Services medical staff at MDF were immediately requested to respond. Deputies began life-saving measures until medical staff took over. The fire department and an ambulance also responded to MDF. The inmate was later pronounced deceased by paramedics. The inmate is identified as 40-year-old …