Rep. Don Beyer on Monday slammed President Donald Trump's latest attack on Robert Mueller's Russia investigation, proclaiming in a sharply-worded tweet that the commander in chief is not a "king" who can randomly shut down the special counsel.

Beyer, a Virginia Democrat, tweeted to Trump:

Getting competent lawyers to represent you has been a challenge, but there must be someone who can explain to you what "obstruction of justice" means.



You don't get to suspend the rule of law or shut down investigations into your potential crimes. You are not a king. https://t.co/dr9Xsjb5AH — Rep. Don Beyer (@RepDonBeyer) May 7, 2018

Beyer's warning came shortly after Trump took to Twitter tear into the Mueller probe as he has been doing for months.

The Russia Witch Hunt is rapidly losing credibility. House Intelligence Committee found No Collusion, Coordination or anything else with Russia. So now the Probe says OK, what else is there? How about Obstruction for a made up, phony crime.There is no O, it's called Fighting Back — Donald J. Trump (@realDonaldTrump) May 7, 2018

The 13 Angry Democrats in charge of the Russian Witch Hunt are starting to find out that there is a Court System in place that actually protects people from injustice...and just wait 'till the Courts get to see your unrevealed Conflicts of Interest! — Donald J. Trump (@realDonaldTrump) May 7, 2018

Trump has repeatedly accused the Mueller probe into whether his presidential campaign worked with Russians to take the election away from Hillary Clinton a "witch hunt.''

After Beyer's tweet, Trump issued a further post on Twitter: