Investigation continuing after Riverside County inmate found unresponsive in cell

MURRIETA, Calif., — Authorities are continuing to investigate the death of an inmate who was found unresponsive in his cell Tuesday morning, May 17.

Although the cause of the man’s death has yet to be determined, officials have said no foul play is suspected and their investigation is ongoing.


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At around 8:37 a.m., deputies assigned to the Cois Byrd Detention Center in Murrieta were called to the cell of an unresponsive male inmate, Riverside Sheriff’s Correctional Captain David Holm has since reported.

“Custody staff and jail medical staff immediately administered life-saving measures. Cal-Fire personnel also responded to assist. Despite these efforts, the inmate was pronounced deceased at 8:58 a.m.,” Holms explained.

Riverside Sheriff’s Department investigators responded and assumed the investigation and the man’s cause of death will be determined by the Coroner’s Bureau.

The man’s name has not been released pending notification of his family and officials have not said why he was in custody or how long he had been incarcerated at the correctional facility.

Citing the ongoing status of the investigation, Holms said no further information would be released at this time and explained that the Sheriff’s investigation is continuing.


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Anyone with information regarding this investigation is encouraged to call Investigator Hollingsworth (951) 795-9216 or Investigator Williams at (951) 696-3452. Callers can refer to incident file number SC221370002 and can remain anonymous.

This is a developing story that will be updated as new information becomes available.

Contact the writer: [email protected]

Trevor Montgomery, 51, moved in 2017 to the Intermountain area of Shasta County from Riverside County and operates Riverside County News Source (RCNS) and Shasta County News Source (SCNS). Both are stringer organizations, providing breaking news coverage and community interest stories for other mainstream media organizations throughout the two regions they serve.

Additionally, he writes or has written for several other news organizations; including Riverside County based newspapers Valley News, Valley Chronicle, Anza Valley Outlook, and Hemet & San Jacinto Chronicle; the Bonsall/Fallbrook Village News in San Diego County; and Mountain Echo in Shasta County. He is also a regular contributor to Thin Blue Line TV and Law Enforcement News Network and has had his stories featured on news stations throughout the Southern California and North State regions.

Trevor spent 10 years in the U.S. Army as an Orthopedic Specialist before joining the Riverside County Sheriff’s Department in 1998. He was medically retired after losing his leg, breaking his back, and suffering both spinal cord and brain injuries in an off-duty accident. (Click here to see segment of Discovery Channel documentary of Trevor’s accident.)

During his time with the sheriff’s department, Trevor worked at several different stations; including Robert Presley Detention Center, Southwest Station in Temecula, Hemet/Valle Vista Station, Ben Clark Public Safety Training Center, and Lake Elsinore Station; along with other locations.

Trevor’s assignments included Corrections, Patrol, DUI Enforcement, Boat and Personal Water-Craft based Lake Patrol, Off-Road Vehicle Enforcement, Problem Oriented Policing Team, and Personnel/Background Investigations. He finished his career while working as a Sex Crimes and Child Abuse Investigator and was a court-designated expert in child abuse and child sex-related crimes.

Trevor has been married for more than 30 years and was a foster parent to more than 60 children over 13 years. He is now an adoptive parent and his “fluid family” includes 13 children and 18 grandchildren.