What's going on with all these 'drone' sightings?

It has been nearly a month since drones were first reported hovering over multiple New Jersey counties, and still there are no clear answers on who may be controlling the aircraft.

Most recently, on Thursday, the FBI and the Department of Homeland Security said in a joint statement that there is no evidence the drones pose a threat to national security or public safety.

The FBI and DHS...

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