Support WBURSource: Mueller Using D.C. Grand Jury In Russia ProbeJessica TaylorAugust 03, 2017 ShareSpecial counsel Robert Mueller arrives at the U.S. Capitol for a closed meeting with members of the Senate Judiciary Committee in June. (Getty Images)
Special counsel Robert Mueller arrives at the U.S. Capitol for a closed meeting with members of the Senate Judiciary Committee in June. (Getty Images)