Some schools installing pepper-spraying drones to help stop active school shootersSeveral schools across the country are set to install pepper-spraying drones as part of a new effort to protect kids from active school shooting attacks. Several schools across the country are set to install pepper-spraying drones as part of a new effort to protect kids from active school shooting attacks. Several schools across the country are set to install pepper-spraying drones as part of a new effort to protect kids from active school shooting attacks. Several schools across the country are set to install pepper-spraying drones as part of a new effort to protect kids from active school shooting attacks. At least nine schools across the U.S. are being equipped with drones designed to distract a school shooter until police arrive.