April 27, 2023 - San Bernardino County Sheriff’s Department officials give an update to the November 1, 2022, murder of 15-year-old Robert Plyley of San Bernardino County Sheriff logoBloomington.

Through continued investigation, Homicide detectives identified the suspect as 19-year-old Israel Diaz, a male resident of Bloomington.  A search warrant, along with a no bail arrest warrant, was obtained and the Sheriff’s Specialized Enforcement Division assisted detectives with a search of Diaz’ residence.  Diaz was not located, and detectives believed Diaz was most likely in Mexico.  Detectives began working with the U.S. Marshalls Service and the Department of Homeland Security to locate Diaz and extradite him back to the United States.     

On Tuesday, April 25, 2023, Diaz was arrested by the U.S. Border Patrol as he attempted to enter the United States.  Diaz was booked in at the San Diego County Jail on the no bail warrant for murder.  He will be transferred to the custody of the San Bernardino County Sheriff’s Department in the coming days.  

UPDATE: November 3, 2022 – As part of the continued investigation, investigators are looking to locate and identify a person of interest in the murder of 15-year-old Robert Plyley. A photograph of this person is being released and anyone knowing the identity or whereabouts of this person is asked to contact Detective David Carpenter at (909) 890-4904 or We-Tip at 800-78CRIME or www.wetip.com.  

Original Summary: On Tuesday, November 1, 2022, at 1:03 a.m. deputies from the Fontana Sheriff’s Station responded to the 10600 block of Geronimo Avenue in Bloomington for a reported shooting. When deputies arrived, they located 15-year-old Robert Plyley lying on a driveway with a gunshot wound. Medical aid was rendered and Plyley was transported to a local hospital. Plyley succumbed to his injuries and was pronounced deceased a short time later.

Investigators with Sheriff’s Specialized Investigations Division, Homicide Detail, responded and assumed the investigation. It was determined a large party had taken place at the location and several fights broke out, during which time Plyley was shot. No arrests have been made at this time. Further information will be released when available.

Anyone with information about this case or who may have video from the party, regardless of whether or not it captured the fight or shooting, is asked or to contact Detective David Carpenter, Specialized Investigations Division, at (909) 890-4904 and/or forward the video to PAffairs@sbcsd.org. Callers can remain anonymous and contact We-Tip at 800-78CRIME or www.wetip.com.

DATE/TIME: November 1, 2022, 1:03 a.m.

INCIDENT: Homicide Investigation

LOCATION: 10600 Block of Geronimo Avenue, Bloomington

SUSPECT(S): Israel Diaz, 19-years-old, Resident of Bloomington

VICTIM(S): Robert Plyley, 15-year-old Resident of Rancho Cucamonga (deceased)

Refer: Detective David Carpenter or Sergeant Troy Mooradian 

Station: Specialized Investigations Division

Phone No. (909) 890-4904

Case No. DR#032203068  H#2022-145

Source: San Bernardino County Sheriff Department