Inside the growing industry to defend schools from mass shootings

<p dir="ltr">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.<p dir="ltr"><strong>Related episodes:  <br /></strong><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>  <p dir="ltr"><em>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>.  </em><br /><br />See <a href="https://pcm.adswizz.com">pcm.adswizz.com</a> for information about our collection and use of personal data for sponsorship and to manage your podcast sponsorship preferences.<br /><br /><a href="https://www.npr.org/about-npr/179878450/privacy-policy">NPR Privacy Policy</a>