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DATE/TIME: Monday, August 31, 2020 12:08 a.m.

INCIDENT: Homicide Investigation/In-Custody Death

LOCATION: West Valley Detention Center 9500 Etiwanda Avenue, Rancho Cucamonga

SUSPECT: Sandro Rivera, age 32 a transient

VICTIM: 62-year-old male (the release of his name is pending next of kin notification)

On Monday, August 31, 2020, at 12:08 a.m., deputies from the West Valley Detention Center were conducting routine security checks in a housing unit when they located an unresponsive inmate. Deputies immediately began life-saving measures until jail medical staff and emergency personnel arrived. Emergency personnel continued life-saving measures for approximately 40 minutes; however, the victim was pronounced deceased at approximately 12:48 a.m.

The victim was housed in a two-person cell with the suspect, Sandro Rivera. Rivera was arrested on August 14, 2020, for felony vandalism.

Detectives from the Specialized Investigations Division – Homicide Detail responded to the jail and are conducting the investigation. Sandro Rivera was interviewed by detectives and subsequently booked for PC187 Murder.

Riverside County Coroner will conduct an autopsy. No additional information is being released at this time.

The investigation is ongoing, and anyone with information is asked to contact Detective Robert Ripley at (909) 387-3589. Callers can remain anonymous and contact WeTip at 800-78CRIME or

Refer: Detective Robert Ripley or Sergeant AJ Gibilterra

Station: Specialized Investigations Division – Homicide Detail

Phone No. (909) 387-3589

Case No. DR#342001298 H#2020-087

JOHN McMAHON, Sheriff-Coroner
San Bernardino County Sheriff-Coroner Department