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Chilling FBI Video Shows Navy Yard Shooter With Gun

Federal investigators say Aaron Alexis shows "multiple indicators" of mental health issues.
03:30 | 09/26/2013

Transcript for Chilling FBI Video Shows Navy Yard Shooter With Gun

For those who love the twelve souls cut down in the Washington DC navy yard there will never be satisfying answer to why it all happened. But there is good reason for all of us to wonder how -- --... See More
This transcript has been automatically generated and may not be 100% accurate.
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