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.
April 15 is approaching. You may know how to fill out a basic tax return (or hand over the necessary paperwork to your accountant), but how much do you really know about doing taxes? Find some tax resources and test your knowledge here.