From Inside Edition.

Are drones the future of school defense? A new program called Campus Guardian Angel is using specialized drones to defend against active shooters. Their devices are stored on school campuses and are piloted remotely. They say the drones can be deployed in seconds, fly through hallways at up to 50 mph, and are armed with non-lethal pepper ball rounds to take down a shooter in under a minute. INSIDE EDITION spoke with CEO Justin Marston, who showed us how the state-of-the-art technology works.