Adam Lanza's Friends: We Thought Something Was Wrong With Him

In the continuing search for a motive into the Newtown school shootings, there are no hard leads…at least not yet. We don’t know what Adam Lanza had against all of those children and staffers at Sandy Hook Elementary school….why he decided he needed to take their lives. At this point, investigators are delving into the 20-year old’s past – searching his medical history…talking to his old friends, like high school classmate Alan Diaz.