FBI is run by a Trump appointed republican and a member of the federalist society which is a conservative organization.
The federalist society is a lynch pin in the plan to gridlock congress and then rule from the judicial branch.
a) who was advised that firing the FBI director would have a political cost to him but still decided to go ahead with it
b) and essentially bragged about doing it
c) was suddenly under pressure after the firing and decided to appoint someone he didn't like/want?