Law enforcement officials respond to the Navy Yard incident on July 2.
D.C. police report 'all clear' at Navy Yard
Washington D.C. police say the Navy Yard is "all clear" following a lockdown.
2:08 • Source: CNN
Washington Navy Yard incidents 8 videos
Law enforcement officials respond to the Navy Yard incident on July 2.
D.C. police report 'all clear' at Navy Yard
2:08
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• Source: CNN
Law enforcement officials respond at the Navy Yard facility July 2.
Police: Employee reported possible shots fired
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• Source: WJLA
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Washington Navy Yard being searched by police
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Woke up to the news of a lockdown and active shooter right outside our window.  Haven't heard anything but sirens.
Navy Yard witness: Someone screamed to get out of building
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• Source: CNN
Woke up to the news of a lockdown and active shooter right outside our window.  Haven't heard anything but sirens.
Witness: Evacuation much quicker than 2013
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3.  in color - Alexis is in a hallway.  He has a sawed off shotgun (both ends) and, holding it low, goes down the hallway,  looks in an (office?) door but keeps walking down the hallway.
FBI says 2013 Navy Yard shooter 'delusional'
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aaron alexis looks down hallway
2013: Chilling video shows earlier attack
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2013: President honors Navy Yard victims
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