911 Sandy Hook call shows early confusion

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, Friday, Dec. 14, 2012. An official with knowledge of Friday's shooting said 27 people were dead, including 18 children. It was the worst school shooting in the country's history. (AP Photo/Jessica Hill)

First responders and families converge at Sandy Hook Fire Department near Sandy Hook Elementary School in Newtown, Conn. Dec. 14, 2012. At least a dozen people, including children, have been killed in a school shooting at Sandy Hook Elementary School, according to a report by ABC News. ABC News confirmed the deaths through multiple federal and local law enforcement sources. Police are still considering the school as an "active crime scene."

State Police are on scene following a shooting at the Sandy Hook Elementary School in Newtown, Conn., about 60 miles (96 kilometers) northeast of New York City, Friday, Dec. 14, 2012. An official with knowledge of Friday's shooting said 27 people were dead, including 18 children. (AP Photo/Jessica Hill)

State police are responding to multiple shootings at Sandy Hook Elementary School in Newtown, Conn. on Dec. 14, 2012, according to reports. All schools in town are locked down. Frantic parents are converging at the fire station near the school after reports of multiple shootings at the school this morning.

SWAT team officers on scene at Sandy Hook Fire Station as part of the response to a multiple shootings at Sandy Hook Elementary School in Newtown, Conn. on Friday, 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 (96 kilometers) northeast of New York City, Friday, Dec. 14, 2012. An official with knowledge of Friday's shooting said 27 people were dead, including 18 children. (AP Photo/Jessica Hill)

The scene at Sandy Hook Fire Station as part of the response to a multiple shootings at Sandy Hook Elementary School in Newtown, Conn. on Friday, Dec. 14, 2012. Twenty-nine people including 22 children were massacred in a horrific bloodbath at the Sandy Hook Elementary School this morning, sources told the Associated Press. The gunman is dead, police said. Few other details were immediately available, and other reports contradicted those numbers.

The Stamford Police check out a home on Bartina Lane in Stamford, Conn. belonging to Peter Lanza the father of Ryan Lanza who is the alleged shooter at Sandy Hook Elementary School in Newtown, Conn on Friday December 14, 2012 where 26 were killed including 20 children.

The Stamford Police check out a home on Bartina Lane in Stamford, Conn. belonging to Peter Lanza the father of Ryan Lanza who is the alleged shooter at Sandy Hook Elementary School in Newtown, Conn on Friday December 14, 2012 where 26 were killed including 20 children

The Stamford Police check out a home on Bartina Lane in Stamford, Conn. belonging to Peter Lanza the father of Ryan Lanza who is the alleged shooter at Sandy Hook Elementary School in Newtown, Conn on Friday December 14, 2012 where 26 were killed including 20 children

After a horrific shooting at Sandy Hook Elementary School nearby, police on the scene at St. Rose School after a lockdown at the school in Newtown, Conn. on Friday December 14, 2012.

After a horrific shooting at Sandy Hook Elementary School nearby, police respond to St. Rose School after a lockdown at the school in Newtown, Conn. on Friday December 14, 2012.

An ambulance leaves Yogananda Street, in Newtown, Conn., where one adult was found dead in a home following the mass shooting at Sandy Hook Elementary School Dec. 14th, 2012.