aaron alexis looks down hallway
2013: Chilling video shows earlier attack
New video show Aaron Alexis before he opened fire at the Washington Navy Yard.
02:01 - Source: CNN
Washington Navy Yard incidents 8 videos
aaron alexis looks down hallway
2013: Chilling video shows earlier attack
02:01
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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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Law enforcement officials respond to the Navy Yard incident on July 2.
D.C. police report 'all clear' at Navy Yard
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Washington Navy Yard being searched by police
03:00
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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
03:17
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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
02:29
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- Source: CNN
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'
02:13
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2013: President honors Navy Yard victims
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