'These are things we've never seen before': The Russia investigation is moving into uncharted territory The FBI's special counsel's team is digging into the limits of President Donald Trump's pardon powers. Because there is little precedent for governing presidential pardon powers, the special counsel, Robert Mueller, is likely to research state-level cases with elements that could be applied to the Russia investigation. Experts say Mueller is taking unprecedented steps to ward off efforts by the White House to guard itself against the investigation. http://www.businessinsider.com/trump-russia-mueller-pardon-obstruction-of-justice-2017-10