TV 5 reported the Virginia governor's office said he died.
Freepers, try this streaming video link (URL), you can get an excellent real time view of the police stopping and questioning drivers of white vehicles one by one on I-95 and the overall roadblock in the D.C. area:
http://nbc4.feedroom.com/start.jsp?&rf=bm&mp=WMP&wmp=1&rm=0&fr=091101_124434_4e8ac9xe8e1f56bfexw50ea&rdm=976788.5506014628