people get shoot in gardena high school

i dont know whats wrong but,17-year-old sophomore whose loaded gun went off at school when he dropped his backpack faces assault with a deadly weapon charges. dressed in dark-colored clothing brought a gun to Gardena High School today and opened fire, injuring at least three people and prompting a massive police search of the campus.
 Dr. James Ausman of Harbor-UCLA Medical Center said the bullet entered and exited the left side of the female student's head. He said the bullet did not go through her skull, but "caused a skull fracture, and what we call some bruising or contusion of the underlying brain on the left side."
"That lead to a fairly significant blood clot on the left side of her brain," Ausman said.
Imami Moses, another classmate, who knows a student, said: “I saw him today. It was just an ordinary day. He was always kind to me. He was always cool.”