Inside the growing industry to defend schools from mass shootings

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:  Why are so many public schools closing?  For sponsor-free episodes of The Indicator from Planet Money, subscribe to Planet Money+ via Apple Podcasts or at plus.npr.org. Fact-checking by Sierra Juarez. Music by Drop Electric. Find us: TikTok, Instagram, Facebook, Newsletter.  See pcm.adswizz.com for information about our collection and use of personal data for sponsorship and to manage your podcast sponsorship preferences.NPR Privacy Policy