Brandon Van Grack, one of special counsel Robert Mueller's top investigators, informed Judge Emmet Sullivan that he would be quitting the Flynn case in a terse, one-sentence filing with the court.

Brandon Van Grack, one of special counsel Robert Mueller's top investigators, informed Judge Emmet Sullivan that he would be quitting the Flynn case in a terse, one-sentence filing with the court. https://t.co/cHnTohtn7Q

— Natasha Bertrand (@NatashaBertrand) May 7, 2020