“From what I've been told, Adam was aware of her petitioning the court for conservatorship and (her) plans to have him committed," Flashman told FoxNews.com. "Adam was apparently very upset about this. He thought she just wanted to send him away. From what I understand, he was really, really angry. I think this could have been it, what set him off.” A senior law enforcement official involved in the investigation confirmed that Lanza's anger at his mother over plans for “his future mental health treatment” is being looked at as a possible motive for the deadly shooting. Flashman was told...