Investigators continue to investigate the shooting at Sandy Hook Elementary School in Newtown on Friday and said they have recovered significant evidence from the home of the shooter, Adam Lanza, as well as the school.
Investigators said they have learned that Lanza fired hundreds of rounds from a semi-automatic rifle registered in the name of his mother, Nancy Lanza.
The Bureau of Alcohol, Tobacco, Firearms and Explosives and state police are looking into whether Lanza had any semi-automatic rifle training.
Police have said this will be an extensive investigation.
“Every single facet of the weapons will be analyzed,” Lt. Paul Vance said. “Every single round of ammunition will be looked at and examined for any kind of physical evidence.”
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