Contra Costa County Sheriff's Office
Coverage of Contra Costa County Sheriff's Office in the Nexus archive.
- Death of woman in Brentwood police custody ruled accidental
The death of 72-year-old Yolanda Ramirez in Brentwood police custody in 2025 was ruled accidental by a coroner's inquest. The Contra Costa County Sheriff's Office announced the ruling, noting the inquest is a separate process from a medical examiner's investigation into in-custody deaths.
- Rio Vista woman dies in Contra Costa County jail less than 12 hours after arrest
A 59-year-old Rio Vista woman, Robi Lynn Perley, was found dead in a Contra Costa County jail less than 12 hours after her arrest by the Antioch Police Department on an outstanding warrant. The incident has prompted an investigation by the Contra Costa County Sheriff's Office.
- Investigation underway after inmate found dead in West County Detention Facility
An inmate was found dead at West County Detention Facility, prompting an investigation by Contra Costa County Sheriff's Office. The sheriff's office will provide more details later Friday, following another recent in-custody death in Contra Costa County.
- Martinez inmate found dead on 2nd day in jail
An inmate was found dead at the Martinez Detention Center on the second day in jail. A deputy sheriff discovered the inmate unresponsive and health services were called.
- Authorities identify 18-year-old found dead in Contra Costa County
Contra Costa County Sheriff's Office and Coroner's Division identified an 18-year-old woman as Layla White, who was found dead in February. Authorities announced the identification on June 12 after a social worker recognized publicly released information.