I droni negli eventi di massa: Sono fonte di protezione o di pericolo per i partecipanti all'evento?

For state and local public safety agencies, drone incidents are no longer isolated events. From mass gatherings and emergency response incidents to a wide range of law enforcement operations, unmanned aircraft are becoming an increasingly routine operational challenge.  Until now, however, the authority to actively respond to these threats has largely remained in the hands of a limited number of federal agencies.  The…