Authorities identified the woman as Katie Sarah Jackson of Fontana. The San Bernardino County Sheriff’s Department said deputies booked her into the Rancho Cucamonga facility earlier in the week.
Deputies later found Jackson unresponsive in her housing unit after a reported medical emergency. Life-saving efforts by staff and first responders were unsuccessful. Officials have not said whether Jackson requested medical care before she was found unresponsive, how long she remained that way, or what treatment she received while in custody.
The San Bernardino County Coroner’s Office has opened an investigation and will conduct an autopsy to determine the cause and manner of death. Toxicology results are pending…