The higher they are, the more care has probably been taken for theiir "Plausible Deniability"
But they seem to have believed Hillary's election was certain, aned they became careless, brazenly so.
The continuing bravado by Brennan, Comey, and others indicates they believe that will be a successful strategy.
2020 dems win Presidency and Senate majority, keep House majority and it all goes (mostly) into history as the proof the US system no longer has the fundamental honesty, to work.