(L.A.) Angel Martinez, 21, Died in a Hospital

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Case Number: 2025-14575

Los Angeles County is reporting the death of a 21-year-old Latino male that occurred in a hospital.

The coroner’s office identified the young man as Angel Martinez of Upland.

Manner of Death: Homicide

Cause of Death: Multiple Stab Wounds

RIP ANGEL MARTINEZ ( September 13, 2025)

Formal pronouncement of death was made on Saturday.

The decedent was fatally stabbed in the 13000 block of Ninth Street in Chino late Friday evening, September 12.

Chino Police were called at 11:42 p.m. because of a fight among multiple people on Ninth Street.

Three men would later be arrested for the murder. Joshua Arnulfo Rivera and Allen Zavala, both 18, and Justin Anthony Rodriguez, 29, were booked into the West Valley Detention Center in Rancho Cucamonga. They are being held without bail, according to San Bernardino County jail records.

Prior to the incident, Rivera and Martinez were involved in a verbal dispute.