himself. by all indications the gunman was targeting his debate team coach with whom he had a dispute that left him without a spot ons the team. to those who knew him pierson did not the conventional pro file of someone who would attack his classmates. never see it in the moment but looking back there s so many signs i could have seen. he told me that, you know, whenever he would get angry, he would be like i just want to shoot everyone up. and that kind of thing. that can pass under the radar because guys say that kind of thing all the time. obviously he wasn t kidding. on sunday night, hundreds of arap who students descended on the school for a vigil for claire davis. officials believe he was not targeting her. the shooting happened miles from the columbine massacre and last year s aurora theater shooting