Learn more about Aaron Alexis, the gunman killed by police in Monday's Navy Yard shooting.
The picture emerging of the Aaron Alexis, the dead gunman in Monday's Navy Yard shooting, is a study in contrasts -- one of a man who practiced languages and meditated, and another of a cold-blooded killer.
iStock / mocker_bat
Washington State National Guard
Sign up to get Breaking News, Daily Headlines, Severe Weather Alerts & more delivered straight to your e-mail inbox