A new president from a new party taking over would have to keep the entire senior staff of the opposition party, and units like U.S. Attorney Offices would shut down completely because none of the dozens of career prosecutors in the office would be constitutionally eligible to take over their cases when the only Senate-confirmed official - the partisan U.S. attorney appointed by the former president - leaves or is fired by the new president.
"They are screaming and shouting at people, horribly threatening them to come up with answers they want. A TOTAL WITCH HUNT LIKE NO OTHER IN AMERICAN HISTORY!" he continued.
In Mr Trump's latest tweets, he describes Mr Mueller as "conflicted" and says that those involved in the long-running probe "are a disgrace to our nation".
Whitaker's appointment following the firing of Jeff Sessions last week has been slammed by Democrats as potentially unconstitutional, as well as an effort to undermine special counsel Robert Mueller, whose investigation Whitaker has publicly criticized.
President Trump is turning the tables by claiming the only players involved in the Russian Federation collusion narrative are Democrats. Why didn't the Federal Bureau of Investigation take the Server from the DNC?
Trump forecast "Universities will some day study what highly conflicted (and NOT Senate approved) Bob Mueller and his gang of Democrat thugs have done to destroy people".
Flake, who is retiring at the end of this year, said he will refuse to advance any judicial nominees in the Judiciary Committee or confirm any judges on the Senate floor until the Mueller bill is brought to the floor for a vote.
The tweetstorm followed multiple reports in major U.S. news organizations that the president has become increasingly enraged after Democrats took over the House and prepared to launch a plethora of probes into the president and his administration, including an expected effort to make his tax returns public.
Republican Senator Jeff Flake and Democrat Chris Coons had said they would push the measure after Trump fired Attorney General Jeff Sessions and tossed out more than a century of precedent to name Sessions chief of staff Matt Whitaker as acting attorney general on November 7.
Trump was also preparing to can Homeland Security Secretary Kirstjen Nielsen as part of a post-election Cabinet shakeup, several officials said.