Capitol Shooting: Miriam Carey had a 'darker side,' says former employer

According to multiple sources, 34-year-old Miriam Carey, a dental hygienist from Stamford, Connecticut, was the person behind the wheel of the black sedan that unleashed so much chaos Thursday afternoon.

http://www.wjla.com/articles/2013/10/capitol-shooting-miriam-carey-motive-still-in-question-94869.html