Hacienda Heights, California — On September 4, 2023, at 5:34 a.m., Industry Station deputies responded to a residence in the 16700 block of Dawn Haven Road in unincorporated Hacienda Heights, regarding a call of a person who had committed an assault with a knife. Information in the call indicated a male had stabbed his father. The male was later identified as 42-year-old Robert Boozer of St. George, Utah. Upon arrival, deputies located Boozer on the front porch of a neighboring residence. Boozer was holding a large knife in one of his hands. The deputies gave Boozer numerous commands to drop the knife. Boozer ignored the deputies’ commands and charged at them while holding the knife, at which point a deputy-involved shooting occurred. Boozer was struck by gunfire, dropped the knife, and fell to the ground. Deputies rendered first aid until the arrival of the Los Angeles County Fire Department paramedics who pronounced Boozer dead at the scene. The stabbing victim, Boozer's father, sustained multiple stab wounds to his torso and was pronounced dead at the scene. A knife, with an approximate nine-inch blade, was recovered at the scene.