From drones to body armor to bulletproof whiteboards, companies are offering schools a multitude of products to try to deter or protect against the next school shooting. But does any of this stuff work? On today’s show, a look inside the school shooting industry. What's for sale and the psychology behind the growing industry.Related episodes:  <a href="https://www.npr.org/2025/09/24/nx-s1-5551077/why-are-so-many-public-schools-closing"target="_blank" >Why are so many public schools closing?</a>  For sponsor-free episodes of The Indicator from Planet Money, subscribe to Planet Money+ via Apple Podcasts or at <a href="http://plus.npr.org/"target="_blank" >plus.npr.org</a>. Fact-checking by <a href="https://www.npr.org/people/1268825622/sierra-juarez"target="_blank" >Sierra Juarez</a>. Music by <a href="https://dropelectric.bandcamp.com/"target="_blank" >Drop Electric</a>. Find us: <a href="https://www.tiktok.com/@planetmoney"target="_blank" >TikTok</a>, <a href="https://www.instagram.com/planetmoney/"target="_blank" >Instagram</a>, <a href="https://www.facebook.com/planetmoney"target="_blank" >Facebook</a>, <a href="https://www.npr.org/newsletter/money"target="_blank" >Newsletter</a>.   Learn more about sponsor message choices: <a href="https://podcastchoices.com/adchoices">podcastchoices.com/adchoices</a> <a href="https://www.npr.org/about-npr/179878450/privacy-policy">NPR Privacy Policy</a>

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Inside the growing industry to defend schools from mass shootings

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