A federal law enforcement official said there was “not a shooter,” and that the confusion is believed to have stemmed from a active shooter exercise happening at the same time. The official said someone in a different building saw the drill and called 911, and because of that call, authorities treated it as a real incident.
   
 
News Alert Thu., Jun. 30, 2016 10:40 a.m.
  
 
Report of active shooter at Joint Base Andrews is unfounded
A federal law enforcement official said there was “not a shooter,” and that the confusion is believed to have stemmed from a active shooter exercise happening at the same time. The official said someone in a different building saw the drill and called 911, and because of that call, authorities treated it as a real incident.
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