Drones are the latest buzzy tech aimed at stopping a school shooting. They’re part of a billion-dollar industry

By Cindy Von Quednow, CNN (CNN) — They’re drones that are launched remotely, can break through windows, help clear classrooms and have an embedded speakerphone to communicate with teachers and police. All that before disorienting and incapacitating a potential school shooter in about a minute. The tiny and quick drones are being deployed in an