Missed or were they just ignored? >> there were amazing amount of red flags. hours after it was over students say they knew it even though they didn't see the person's face. a failure of the system. they expelled this child from the school. that's a procedure not a solution. law enforcement needs to be working with school officials, having conversations, exchanging information and constantly monitoring that threat. the expulsion might have aggravated the circumstances around this kid. there is an ability to do not social media monitoring but threat alerting. the language of harm around your sc...