The AR-15 s destructive force: A rare look at the weapon s impact washingtonpost.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from washingtonpost.com Daily Mail and Mail on Sunday newspapers.
A masked gunman opened fired inside Sandy Hook Elementary School in Newtown, Conn. in the morning hours of Dec. 14, 2012. Twenty-seven people, including 20 children, 6 adults and the gunman, were killed in the bloody rampage.