Jordan Valenzuela, a 12-year-old classmate of the girl’s, told The Associated Press he was in the room next door when the gun went off and talked to her minutes later. “She was crying,” Jordan said. “She was like, ‘I didn’t mean to. I had the gun in my backpack and I didn’t know it was loaded and my backpack fell and the gun went off.'” Jordan said he saw a hole in the backpack, which the girl was holding, when she asked him to hide the gun for her. “I said ‘No,'” he said. “Then I moved away from her...