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February 19, 2017

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In this May 14, 2013 file photo, one of several small drones designed for use by law enforcement and first responders is shown at University of North Dakota in Grand Forks, N.D.

Minnesota Public Radio, Dan Gunderson / AP

In this May 14, 2013 file photo, one of several small drones designed for use by law enforcement and first responders is shown at University of North Dakota in Grand Forks, N.D.