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Law enforcement canvass an 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)
NBC News has learned that the weapons used during the tragic mass shooting at Sandy Hook Elementary School in Newtown on Friday were legally purchased and registered to gunman's mother.
Two 9mm handguns recovered at scene—a Glock and a Sig Sauer—were legally purchased and registered to the shooter’s mother, Nancy Lanza.