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Adam Lanza

The Sandy Hook Effect

On December 14, 2012, 20-year old Adam Lanza broke into Sandy Hook Elementary School in Newtown, CT, killing 20 children and six adults—and then himself—after first slaying his mother Nancy Lanza in their home. In this article from Skeptic magazine issue 18.1 (2013), Michael Shermer takes a look at why preventing highly improbable mass murders like that at Sandy Hook Elementary School is impossible, and discusses what social science research shows are the most reliable means to decreasing violence overall.

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