Support WBUR'There Is No Handbook For This': A Mother And Son Talk About School ShootingsPlay02:36Download AudioEmma BowmanMarch 22, 2018 ShareAt their StoryCorps interview in Houston, Tanai Benard, 34, and her son, Dezmond Floyd, 10, discuss what's become a grim yet routine topic at schools: active shooter drills. (StoryCorps)