Mother of Navy Yard Shooter Says She Is 'So, So Very Sorry'

Credit: MGN Online

Mother of Navy Yard Shooter Says She Is 'So, So Very Sorry'

September 18, 2013 Updated Sep 18, 2013 at 11:52 AM CDT

The mother of the man who killed 12 people at the Washington Navy Yard says she is "so, so very sorry that this has happened."

Cathleen Alexis said Wednesday in New York City that she does not know why her son, Aaron, did what he did.  Watch the video below to find out more.