Heavily armed Connecticut State troopers are on the scene at the Sandy Hook School following a shooting at the school, Friday, Dec. 14, 2012 in Newtown, Conn. A man opened fire inside the Connecticut elementary school where his mother worked Friday, killing 26 people, including 18 children, and forcing students to cower in classrooms and then flee with the help of teachers and police. (AP Photo/The Journal News, Frank Becerra Jr.) MANDATORY CREDIT, NYC OUT, NO SALES, TV OUT, NEWSDAY OUT; MAGS OUT

Photo by: Frank Becerra Jr.

Heavily armed Connecticut State troopers are on the scene at the Sandy Hook School following a shooting at the school, Friday, Dec. 14, 2012 in Newtown, Conn. A man opened fire inside the Connecticut elementary school where his mother worked Friday, killing 26 people, including 18 children, and forcing students to cower in classrooms and then flee with the help of teachers and police. (AP Photo/The Journal News, Frank Becerra Jr.) MANDATORY CREDIT, NYC OUT, NO SALES, TV OUT, NEWSDAY OUT; MAGS OUT