Dec 15, 2012 1:22 PM by CNN
Investigators have been told that Connecticut school shooter Adam Lanza had some sort of altercation with some people at the school a few days before the killings, according to a law enforcement official. The official did not know the nature of the altercation or who was involved.
From CNN's Carol Cratty
TM & © 2012 Cable News Network, Inc., a Time Warner Company. All rights reserved.