This photo provided by the Virginia State Police shows Master Trooper Junius Walker. Virginia Gov. Bob McDonnell says Walker, who was involved in a shooting along Interstate 85 in sout

 

              This photo provided by the Virginia State Police shows Master Trooper Junius Walker.  Virginia Gov. Bob McDonnell says Walker, who was involved in a shooting along Interstate 85 in sout
This photo provided by the Virginia State Police shows Master Trooper Junius Walker. Virginia Gov. Bob McDonnell says Walker, who was involved in a shooting along Interstate 85 in southeastern Virginia has died. McDonnell says he was shot while on duty on Thursday, March 7, 2013. (AP Photo/Virginia State Police)