Timeline: Here's what we know in Kyle Plush's death

Kyle Jacob Plush called 911 twice hours before he was found dead inside his car at Seven Hills School.  Plush, 16, first called 911 at 3:16 p.m. Tuesday. He cried for help and repeatedly told the operator he could not hear what she was saying. “I can’t hear you … I need help, I’m gonna die here,” Plush said.