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Autopsy report reveals new details in alleged murder by off-duty sheriff's deputy

Erika Aguilar/KPCC

A small memorial marks the ground outside the family's home where 38-year old Armando Casillas died from one gunshot wound to the chest after a dispute with a neighbor on June. 17.

An autopsy report reveals more details about the death last June of a man in Sylmar allegedly shot by an off-duty Los Angeles County Sheriff's deputy, including the possibility that a second person was involved.

LAPD detectives believe Francisco Gamez shot Armando Casillas, 38, after Casillas argued with Gamez's son. The new documents describe Casillas standing on the sidewalk outside his parents' Sylmar home shortly after the altercation. A car drove by and a man (Gamez, say police) shot at Casillas out the front passenger window, hitting him once in the chest. The shooter fired again, hitting a nearby car before speeding away.

It's unclear how many people were in the shooter's car. Detective Lou Zorilla, the investigator on the case, says police "are open to the possibility" that someone other than Gamez was driving. Gamez was arrested and charged with murder last month.


UPDATE: LA County sheriff's deputy charged with murder for fatal shooting in Sylmar

LA County Sheriff Patrol Vehicle

Courtesy LA County Sheriff's Department

LA County Sheriff's Department patrol vehicle.

UPDATED 11:36 a.m.: Los Angeles County Deputy Francisco Gamez II has been charged with murdering a neighbor who had fought with his adult son last June.

The district attorney's office says Gamez, 41, was charged Thursday morning with murder, attempted murder and discharging a weapon from an occupied vehicle.

Authorities say Gamez's 20-year-old son had an altercation with 38-year-old Armando Casillas and the son called Gamez. The deputy is accused of driving to the scene, confronting Casillas and another man and firing two shots. Casillas died and the other man was not hit.

Gamez was arrested Thursday. If convicted, he faces a maximum prison term of 75 years to life in prison.

PREVIOUSLY: LAPD detectives on Wednesday arrested a 17-year veteran of the  L.A. County Sheriff's Department on suspicion of homicide.