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The Rise of the Active Shooter Defense Industry

A common customer: Educators.Many of the executives in the active-shooter-defense industry who were interviewed for this article said they did not support more gun restrictions.Mr. Czyz, the owner of the […]




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In the U.S., His Site Has Been Linked to Massacres. In Japan, He’s a Star.

In 2004, 2chan went mainstream with the publication of “Train Man,” a collection of posts from the board that purportedly showed how users had helped a hapless nerd woo the […]




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Schools Are Spending Billions on High-Tech Defense for Mass Shootings

Reid Bauer was finishing lunch period last year at his middle school in the Atlanta area when an alarm began blaring through the halls, warning of an emergency. Reid, then […]




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Gun Control Advocates Have More Money Now, but Money Can’t Buy Zeal

After the massacre of schoolchildren at Sandy Hook Elementary in Newtown, Conn., in 2012, the gun-control movement was small and badly outspent by the National Rifle Association. Parents seeking an […]




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Racist and Violent Ideas Jump From Web’s Fringes to Mainstream Sites

“The fact that this act of barbarism, this execution of innocent human beings, could be livestreamed on social media platforms and not taken down within a second says to me […]




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Gun in Texas Shooting Came From Company Known for Pushing Boundaries

He has said that his gun company was born out of his poor golf game. Instead of puttering around the course, Mr. Daniel started using an AR-15 — the type […]




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Activist Investing Has Come for Fossil Fuels. What About Guns?

The message after a mass shooting, this time at a Texas elementary school, was clear: People who want to curb gun violence should “cast their vote in November.” That was […]




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Livestreams of Mass Shootings: From Buffalo to New Zealand

Many of the sites tried taking down the videos as they were uploaded but were overwhelmed. Facebook said it removed 1.5 million videos in the 24 hours after the incident, […]




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Broadcasting ‘the Shock, the Horror, the Outrage’ Live, Again and Again

Last week, the CNN anchor Brianna Keilar found herself, for the second time in under a week, guiding viewers through the grim ritual of trying, and failing, to make sense […]