Inmate Faces New Charge for Alleged Murder of His Cellmate
Originally posted by San Bernardino County Sheriff-Coroner Department Nixle
“Advisory: Inmate at West Valley Detention Center Booked for Murder of His Cellmate
DATE/TIME: May 21, 2023, 4:54 a.m.
INCIDENT: Homicide Investigation
LOCATION: West Valley Detention Center – 9500 Etiwanda Ave, Rancho Cucamonga
SUSPECT(S): Marco Antonio Lopez-Hernandez, 26-year-old Male, Resident of Upland
VICTIM(S): Adam Adams,56-year-old Male, Resident of Upland
SUMMARY: On Sunday, May 21, 2023, at approximately 4:54 a.m., a deputy assigned to West Valley Detention Center located 56-year-old inmate, Adam Adams, lying on the floor inside his cell. The deputy attempted to wake Adams and he was unresponsive. Deputies immediately began life-saving measures and requested jail medical staff to respond. Despite life-saving attempts, Adams was pronounced deceased.
Detectives with the Sheriff’s Specialized Investigations Division responded to conduct the investigation. During the investigation, it was determined Adam’s cellmate, Marco Antonio Lopez-Hernandez, was responsible for the death. Lopez-Hernandez was supplementally booked for PC 187-Murder.
Anyone with information about this case is asked to contact Deputy Charlie Lopez, Specialized Investigations Division at (909) 890-4904. Callers can remain anonymous and contact We-Tip at 800-78CRIME or www.wetip.com.
Refer: Deputy Charlie Lopez or Sergeant Jonathan Woods
Station: Specialized Investigations Division
Phone No. (909) 890-4904
Case No. DR#602300046 / H#2023-059
SHANNON D. DICUS, Sheriff-Coroner
San Bernardino County Sheriff-Coroner Department”
