Trump didn't immediately elaborate on the tweet, but it appears he is referring to Deputy Attorney General Rod Rosenstein, whose memo on fired FBI Director James Comey last month was initially used as justification for the termination. Comey was sacked by the president on May 9 while he was overseeing the investigation into potential Russian interference into last year's election and potential collusion with the Trump presidential campaign.
Rod Rosenstein, deputy attorney general nominee for US President Donald Trump, listens during a Senate Judiciary Committee confirmation hearing in Washington, DC, US, on Tuesday, March 7, 2017.
The latest tweet came after a series of others in which Trump continued to complain about the Russian Federation investigations swirling around him, and just hours after members of Congress from both parties gathered at a baseball field to call for unity after the shooting at a Republican baseball practice this week. Trump said he wanted to fire Comey for "showboating", among other charges.
Senior US intelligence officials have agreed to be interviewed by investigators working for Robert Mueller, a respected former Federal Bureau of Investigation chief, according to reports in both The Washington Post and New York Times.
"The message the president is sending through his tweets is that he believes the rule of law doesn't apply to him and that anyone who thinks otherwise will be fired", Feinstein said. The president has long vehemently denied any collusion with Moscow.
Trump also took aim at his favorite foil - the media.
Pence has seldom addressed the Russian Federation issue, which has overshadowed Trump's White House agenda.
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But that was way back in May and Trump, who specializes in meaningless shilling, quickly moves on to the next sales pitch. Ted Cruz and Rand Paul have also come out against a slower phase-out of this funding, making a compromise more hard .
The second, the source continued, is whether if any potential offences were committed, Trump or others attempted to cover them up or obstruct the investigation into them. "I can go around them", the tweet read.
A day later, Rosenstein appointed Mueller as special counsel.
And Trump's apparent reference to Rosenstein, who oversees the Russian Federation investigation because Attorney General Jeff Sessions recused himself from it, came just hours after an oddly worded statement from Rosenstein complaining about leaks in the case.
It's been another big week in the investigation into Russian meddling in the US elections.
The memo ordered transition team members "to preserve any physical and electronic records that may be related in any way to the subject matter of the pending investigations".
Trump's comments came as lawyers for his presidential transition ordered former staffers to preserve all physical and electronic documents in order to comply with ongoing Russian Federation investigations.