School children wait for their parents at the Sandy Hook firehouse following a mass shooting at the Sandy Hook Elementary School in Newtown, Conn. on Friday, Dec. 14, 2012. (AP Photo/The Journal News, Frank Becerra Jr.) NYC OUT, NO SALES, TV OUT, NEWSDAY OUT; MAGS OUT; MANDATORY CREDIT: THE JOURNAL NEWS, FRANK BECERRA JR.
Parents walk away from the Sandy Hook Elementary School in Newtown, Conn., on Friday, Dec. 14, 2012, after a gunman killed 20 schoolchildren and 6 adults there. (AP Photo/The Journal News, Frank Becerra Jr.)
School children wait for their parents at the Sandy Hook firehouse following a mass shooting at the Sandy Hook Elementary 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
A woman weeps as she arrives to pick up her children at the Sandy Hook Elementary 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
A woman hugs her daughter after being reunited at the Sandy Hook firehouse after a mass shooting at the Sandy Hook Elementary School in Newtown, Conn., on Friday, Dec. 14, 2012. (AP Photo/The Journal News, Frank Becerra Jr.)
Parents leave a staging area after being reunited with their children following a shooting at the Sandy Hook Elementary School in Newtown, Conn., about 60 miles (96 kilometers) northeast of New York City, on Dec. 14, 2012. It was the worst school shooting in the country's history. (Associated Press)
This satellite image provided by Google shows the Sandy Hook Elementary School in Newtown, Conn. A shooting at the school Friday, Dec. 14, 2012, left the gunman dead and at least one teacher wounded. (AP Photo/Google)
In this photo provided by the Newtown Bee, Connecticut State Police lead children from the Sandy Hook Elementary School in Newtown, Conn., following a reported shooting there Friday, Dec. 14, 2012. (AP Photo/Newtown Bee, Shannon Hicks)