Who is Aaron Alexis?

Published On: Sep 17 2013 10:15:55 AM CDT

Learn more about Aaron Alexis, the gunman killed by police in Monday's Navy Yard shooting.

Aaron Alexis - In Car
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Kristi Suthamtewakul

He was also fascinated by guns, and woulud stay up all night playing military-style video games, friends said.

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