The day before he killed 26 kids and teachers, Adam Lanza had an altercation with four teachers at Sandy Hook school. Three of those teachers were killed during Lanza's bloody rampage.
20 year Adam Lanza goes to Sandy Hook school where he argued with four teachers. The incident was not reported to police: Or was it?
http://www.bellenews.com/2012/12/15/...fore-massacre/