(L.A.) Phyllis Patterson, 68, Died by Homicide

Case Number: 2023-16780

Los Angeles County is reporting the death of a 68-year-old White/Caucasian female in Sylmar.

The coroner’s office has identified the woman as Phyllis Patterson.

Manner of Death: Homicide

Cause of Death: Blunt Head Trauma

RIP PHYLLIS ANN PATTERSON (September 16, 1955 – December 3, 2023)

Formal pronouncement of death was made on Sunday at 9:25 a.m.

The decedent was one of two people found dead at the scene of a fire in Sun Valley that damaged three structures on the grounds of a residential property where firefighters were faced with “thousands of rounds of ammunition exploding.”

According to the L.A. Fire Department, the greater-alarm fire was reported shortly before 5 a.m. at 13755 Glenoaks Boulevard.

Police responded to the location after receiving a radio call of shots being fired in the same area.

A woman’s body was found in a pool, and the bodies of a man and a dog were found in the burned-out debris.

Police said weapons and thousands of rounds of ammunition were found at the site. A bomb squad was called to the location, as well as an arson detail.

Firefighters found heavy fire to the rear of one of three buildings on a 1.6-acre residential parcel of land, with the intense flames extending to a pair of adjacent structures on the property.

UPDATE: The man has been identified in the media as Richard Yapelli.

(L.A.) Richard Yapelli, 59, Ended His Life

Phyliss is a misspelling of the decedent’s forename.