** FILE ** Parents walk away from the Sandy Hook Elementary School with their children following a mass shooting at the school on Friday, Dec. 14, 2012, in Newtown, Conn. Twenty schoolchildren and six adults were killed. (AP Photo/The Journal News, Frank Becerra Jr.)

Photo by: Frank Becerra Jr.

** FILE ** Parents walk away from the Sandy Hook Elementary School with their children following a mass shooting at the school on Friday, Dec. 14, 2012, in Newtown, Conn. Twenty schoolchildren and six adults were killed. (AP Photo/The Journal News, Frank Becerra Jr.)