Concerns about active shooter drills

https://www.wbrc.com/video/2020/02/13/concerns-about-active-shooter-drills/
 https://www.theatlantic.com/health/archive/2018/02/effects-of-active-shooter/554150/
 https://psmag.com/education/are-active-shooter-drills-harming-more-than-theyre-helping
 https://news.camden.rutgers.edu/2019/11/active-shooter-drills-