For What It’s Worth (Nothing, Probably), Adam Lanza Wore Earplugs During Massacre

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Investigators speculate that Lanza used earplugs during the shooting either "because it was a habit from shooting at gun ranges, or to muffle children's screams during his shooting rampage." The latter theory would indicate something about Lanza's mind-set, while the former would be pretty much meaningless. Chances are we'll never know which one is right.