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exp Lead dnt Tapper Navy Yard shooter_00003504.jpg

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    Who was the Navy Yard shooter?

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Who was the Navy Yard shooter?

Glimpses of Navy Yard shooter Aaron Alexis's contradictory character come into view. CNN's Jake Tapper reports.

Who was the Navy Yard shooter?

Glimpses of Navy Yard shooter Aaron Alexis's contradictory character come into view. CNN's Jake Tapper reports.