Connecticut elementary school shooting

Connecticut State Police lead children from the Sandy Hook Elementary School in Newtown, Conn., following a reported shooting there, Dec. 14, 2012.

A woman waits to hear about her sister, a teacher, following a shooting at the Sandy Hook Elementary School in Newtown, Conn., about 60 miles northeast of New York City, Dec. 14, 2012.

Children are seen outside following a shooting at the Sandy Hook Elementary School in Newtown, Conn., about 60 miles northeast of New York City, Dec. 14, 2012.

AP Photo/The New Haven Register, Melanie Stengel

A man reacts following a shooting at the Sandy Hook Elementary School in Newtown, Conn., about 60 miles northeast of New York City, Dec. 14, 2012.

A young girl cries following a shooting at the Sandy Hook Elementary School in Newtown, Conn., about 60 miles (96 kilometers) northeast of New York City, Dec. 14, 2012.

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 northeast of New York City, Dec. 14, 2012.

Connecticut State Police walk on Dickson Street from the scene of an elementary school shooting on Dec. 14, 2012, in Newtown, Conn.

A mother runs with her children as police above canvass homes in the area following a shooting at the Sandy Hook Elementary School in Newtown, Conn., about 60 miles northeast of New York City, Dec. 14, 2012.

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 northeast of New York City, Dec. 14, 2012.

A mother hugs her daughter following a shooting at the Sandy Hook Elementary School in Newtown, Conn., about 60 miles northeast of New York City, Dec. 14, 2012.

State Police are on scene following a shooting at the Sandy Hook Elementary School in Newtown, Conn., about 60 miles northeast of New York City, Dec. 14, 2012.

Law enforcement canvass the area following a shooting at the Sandy Hook Elementary School in Newtown, Conn., about 60 miles northeast of New York City, Dec. 14, 2012.

A man and woman leave the staging area for family around near the scene of a shooting at the Sandy Hook Elementary School in Newtown, Conn., about 60 miles northeast of New York City, Dec. 14, 2012.

Connecticut State Police walk on Dickson Street from the scene of an elementary school shooting on Dec. 14, 2012, in Newtown, Conn.

Law enforcement canvass an area nearby a school shooting at the Sandy Hook Elementary School in Newtown, Conn., about 60 miles northeast of New York City, Dec. 14, 2012.

A law enforcement agent arrives to the area following a shooting at the Sandy Hook Elementary School in Newtown, Conn., about 60 miles northeast of New York City, Dec. 14, 2012.

The aftermath of a shooting at Sandy Hook Elementary School in Newtown, Conn., on Dec. 14, 2012.

Connecticut State Police walk near the scene of an elementary school shooting on Dec. 14, 2012, in Newtown, Conn.

A young girl is comforted following a shooting at the Sandy Hook Elementary School in Newtown, Conn., about 60 miles northeast of New York City, Dec. 14, 2012.

A woman waits to hear about her sister, a teacher, following a shooting at the Sandy Hook Elementary School in Newtown, Conn., about 60 miles northeast of New York City, Dec. 14, 2012.

Connecticut State Police walk on Dickson Street from the scene of an elementary school shooting on Dec. 14, 2012, in Newtown, Conn.

Law enforcement canvass an area following a shooting at the Sandy Hook Elementary School in Newtown, Conn., about 60 miles northeast of New York City, Dec. 14, 2012.

People embrace at a firehouse staging area for family around near the scene of a shooting at the Sandy Hook Elementary School in Newtown, Conn., about 60 miles northeast of New York City, Dec. 14, 2012.

Ambulances leave an area near the scene of a shooting at the Sandy Hook Elementary School in Newtown, Conn., about 60 miles northeast of New York City, Dec. 14, 2012.

A young girl is comforted following a shooting at the Sandy Hook Elementary School in Newtown, Conn., about 60 miles northeast of New York City, Dec. 14, 2012.

A mother hugs her daughter following a shooting at the Sandy Hook Elementary School in Newtown, Conn., about 60 miles northeast of New York City, Dec. 14, 2012.

Connecticut State Police walk near the scene of an elementary school shooting on Dec. 14, 2012, in Newtown, Conn.

Victims family leave a firehouse staging area following a shooting at the Sandy Hook Elementary School in Newtown, Conn., about 60 miles (96 kilometers) northeast of New York City, Dec. 14, 2012.

Officials are on the scene outside of Sandy Hook Elementary School in Newtown, Conn., where authorities say a gunman opened fire inside an elementary school in a shooting that left 27 people dead, including 18 children, Dec. 14, 2012.

This aerial photo shows Sandy Hook Elementary School in Newtown, Conn., right, where authorities say a gunman opened fire inside the school in a shooting that left 27 people dead, including 18 children, Dec. 14, 2012.

Gov. Dannel P. Malloy, right, talks with officials at a staging area following a shooting at the Sandy Hook Elementary School in Newtown, Conn., about 60 miles northeast of New York City, Dec. 14, 2012.

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 northeast of New York City, Dec. 14, 2012.

A mother runs with her children as police above canvass homes in the area following a shooting at the Sandy Hook Elementary School in Newtown, Conn., about 60 miles northeast of New York City, Dec. 14, 2012.

A woman holds a child as people line up to enter the Newtown Methodist Church near the the scene of an elementary school shooting on Dec. 14, 2012, in Newtown, Conn.

Screen shot of live footage from the aftermath of a shooting at Sandy Hook Elementary School in Newtown, Conn., on Dec. 14, 2012.

Connecticut State Police lead children from the Sandy Hook Elementary School in Newtown, Conn., following a reported shooting there, Dec. 14, 2012.

The aftermath of a shooting at Sandy Hook Elementary School in Newtown, Conn., on Dec. 14, 2012.

The aftermath of a shooting at Sandy Hook Elementary School in Newtown, Conn., on Dec. 14, 2012.

The aftermath of a shooting at Sandy Hook Elementary School in Newtown, Conn., on Dec. 14, 2012.

This satellite image provided by Google shows the Sandy Hook Elementary School in Newtown, Conn.

White House press secretary Jay Carney listens to a follow up question regarding the school shooting in Newtown, Conn., after he told reporters that President Barack Obama is receiving updates on the situation, Dec. 14, 2012, during the daily press briefing at the White House in Washington.

US President Barack Obama speaks during a previously unannounced appearance in the Brady Briefing Room of the White House on Dec. 14, 2012, in Washington, DC. Obama spoke following the shooting in a Connecticut Elementary School which left at least 27 people dead.