Fans who hear the whirring sound of a drone over a stadium might see it as a nuisance but law enforcement has long viewed those aircraft as a potential weapon of mass destruction

Fans who hear the whirring sound of a drone over a stadium might see it as a nuisance but law enforcement has long viewed those aircraft as a potential weapon of mass destruction

Security is heightened for the World Cup with a strict no-drone policy over stadiums. Law enforcement has new powers to disable or shoot down drones. The FBI is treating all…