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Report: Adam Lanza's Home Was Stocked With Weapons, Ammunition

There's new information about the man who shot and killed 26 children and adults at Sandy Hook Elementary school. Warrants issued in the aftermath of the shooting were made public on Thursday. Jeff Cohen tells Audie Cornish that they fill in additional details about Adam Lanza's life with his mother Nancy. Investigators found a cache of weapons and ammunition, a National Rifle Association certificate for Adam Lanza, and books on mental health and shooting skills. They also found information about other mass shootings.