This Japanese security drone will chase intruders

Security guards in Japan have a new tool to deter intruders: a drone that will chase down and follow people without human intervention. Made by Secom, Japan's biggest security company, the drone goes on sale Friday to organizations that need to protect large parcels of land. It will launch whenever suspicious cars or people are detected on the property by other security equipment. The drone will snap pictures and send them to a Secom monitoring center where it can determine the threat. Today, th...