San Marcos, CA – Authorities have identified a man who died weeks after being injured in a two-vehicle collision on West San Marcos Boulevard in San Marcos on September 4, 2026.
The San Diego County Medical Examiner identified the victim as William Harvey Cahoone Jr., 77, of Hollywood, South Carolina. He died on October 7, 2026, at Palomar Medical Center in Escondido, according to medical examiner records.
The collision occurred at approximately 11:59 a.m. on September 4, 2026, in the 1500 block of West San Marcos Boulevard.
The medical examiner’s report states that one vehicle struck the rear of another vehicle, with Cahoone driving the vehicle that was hit.
Cahoone was transported to a hospital for treatment following the crash. His cause of death was listed as sepsis resulting from a urinary tract infection, which was attributed to blunt force trauma to the neck.
The San Diego County Sheriff’s Department investigated the collision. Medical examiner records classified the death as accidental