Law enforcement personnel walk with their weapons drawn outside of Saugus High School after reports of a shooting on Thursday, Nov. 14, 2019, in Santa Clarita, Calif. Los Angeles County Sheriff Alex Villanueva tweeted that the suspect was in custody and was being treated at a hospital. He said the suspect was a student but gave no further information. (AP Photo/Marcio Jose Sanchez)
Flowers are placed in front of Saugus High School in the aftermath of a shooting on Thursday, Nov. 14, 2019, in Santa Clarita, Calif. (AP Photo/Marcio Jose Sanchez)
SANTA CLARITA, Calif. When gunfire rang out Thursday morning at his high school, basketball player Noah Sanchez was working on his outside shot in the gym before class, listening to pop music playing in his headphones.