Could drones be used against U.S.?

A small drone crashed onto the White House grounds on Monday. Described as a 2-foot-long quadcoptera drone with four propellersthe event raises some troubling questions about the possibility that terrorists using armed drones could one day attack the White House or other tightly guarded U.S. government locations.  

The White House incident occurred the same day a CIA drone strike was launched in Yemen, the first such strike in almost two months, following the Yemeni government being forced out of office last week. This indicates that the CIA drone program is still moving forward despite the instability in Yemen.

Not so long ago, launching a U.S. drone strike on the other side of the world with an armed drone would have been something from science fiction. Before 9/11, the United States had only a handful of experimental drones that had never been used to kill anyone. Today, there are at least 7,000 drones in the U.S. arsenal, more than 200 of which are armed drones that have killed thousands of people.

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