we have been finding some comments posted under the same name as the suspects wrn unditt under youtube. nine months ago it was this, i am going to kill law enforcement. i am going to watch those sheep fall and this was oct 19 last year. i want to shoot people with my ar-15. students say this was a violent kid. he was one of the kids that if you did him wrong, he would get you back. he wore dark clothes. the suspect had left the high school last year or a year before. and that was confirmed by the sheriff. this kid had been he cexpelled disciplinary reasons. if they are all him, what happened today was telegraphed by the shooter himself. >> do we know anything about his family? did anyone close to him, any family member, were they aware of these postings. >> reporter: we are unclear about the family situation. we don't have that nailed down. we are trying it determine if in fact he did have parents at the time of the shooting. so we are looking into that, anderson, trying to track it down. again, these postings as alluded to by the sheriff and his news conference show a dark individual