On Day One Bill Clinton fired every DOJ attorney, even those that were in the middle of court cases at the time, and replaced them all with his own hand-picked people.
Trump should do the same.
Then unleash them on the entire Democrat (and some Republican) crime machine.
Then fire the head of the IRS and all the alphabet orgs.
Replace them with his own people.
He was naive in his first term.
He won’t be in his second....................
I once took over a project in trouble and thought I would be high minded and keep the predecessors people he had recruited. I should have cleaned house from day one. I’d have been much much better off. Instead I suffered these disloyal malcontent and unprofessional fellows he had recruited until I finally had enough and fired the whole lot of them and mostly started over.