'In a Flash' in the new NFPA Journal looks at how some school security trends are worrying fire and life safety officals

Shaken by gun violence, more schools around the country are purchasing after market classroom door barricades that attach to the inside of the door, making it next to impossible to enter from the outside during an active shooter event. That’s good news if the sole aim is to keep a bad guy out. But what if the bad guy is already inside a classroom and it’s police or firefighters who can’t get in? What if kids are inside a classroom in lockdown while a fire is set and they need to get out? This emerging issue is explored in the...