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
2 / 12

Alexis, who was from New York City, served as a full-time Navy reservist between 2007 and 2011, but was honorably discharged after a "pattern of misconduct," a U.S. defense official with knowledge of the investigation told CNN on condition of anonymity. 

Upload Photos / Videos