nypost.com — Bloodthirsty child killer Adam Lanza might have snapped, and carried out his unspeakable atrocities after learning that his mom wanted him thrown in the loony bin, according to published reports today. Mom Nancy Lanza was the first person Adam Lanza blew away on Friday before unleashing his killing spree at Sandy Hook Elementary School in Newtown, Conn., murdering 20 little kids and six educators.