A new documentary looks at how gun violence has led to lockdown drills in schools. “Thoughts and Prayers,” streaming on HBO Max, focuses on the effects of those drills and the creation of active shooter preparedness products — now a $3 billion industry. Amna Nawaz discussed more with filmmakers Zackary Canepari and Jessica Dimmock. | PBS NewsHour

26K views · 564 reactions | Inside Look: School Lockdown Drills Our...

It's become standard for children across the US to regularly participate in lockdown drills, so they're prepared in the event of an active shooter. Before Covid-19, CNN was granted rare access inside a surprise school lockdown drill. https://cnn.it/3qAle7R | CNN