From an article:
Witnesses told police that several gun shots were heard in the area around 12:30 a.m. Officers arrived to the apartment complex to find Martinez in the parking lot suffering from a severe gunshot wound to the head, said Letamendi. He was transported to UC Davis Medical Center were he died from his injuries at 3:26 a.m., Letamendi said.
Officers believe an argument inside an apartment in the complex lead to the deadly shooting. Letamendi said the handgun Michel allegedly used to kill the boy has not been recovered.