FBI agents interviewed current and former CIA officers at Langley last week as part of a grand jury investigation targeting former CIA Director John Brennan over his role in the 2017 intelligence community assessment on Russian election interference, according to NBC News. A 2020 bipartisan Senate Intelligence Committee investigation spanning three years, more than 200 witnesses, and over a million documents endorsed that assessment's findings as accurate — and special counsel John Durham filed no charges against CIA officers who oversaw it.