Mueller was testifying Wednesday for hours on Capitol Hill about his investigation into Russian interference, possible coordination by members of President Donald Trump's campaign and possible obstruction of justice by Trump himself.
Trump fires off eight tweets blasting Mueller, congressional Democrats who have called on him to testify, "crooked" Hillary Clinton and "lying and leakin'" James Comey.
A federal grand jury is investigating top Republican fundraiser Elliott Broidy, examining whether he used his position as vice chair of President Donald Trump's inaugural committee to drum up business deals with foreign leaders.
Democrats want Mueller's testimony on his probe into Russian interference in the 2016 election and Trump's efforts to influence it.
Andrew Weissmann, a leading prosecutor on special counsel Robert Mueller's team, has a deal with Random House to write a book, The New York Times reported.
Paul Manafort, former chief of President Donald Trump's 2016 campaign, is set to be sent from federal prison to New York City, where he could end up being housed for months or even longer in the notorious Rikers Island jail.
George Nader, a Middle East power broker who cooperated with former special counsel Robert Mueller's probe of Russian interference in the 2016 election, was arrested Monday on federal charge for allegedly transporting child pornography.
Roger Stone posted a "Wanted for Treason" image featuring photos of ex-CIA chief John Brennan on his social media accounts and criticized the inquiry that led to special counsel Robert Mueller's probe of Russian interference in the 2016 election.
Special counsel Robert Mueller says: "If we had had confidence that the president clearly did not commit a crime, we would have said so."
"The documents described do not exist," special counsel Robert Mueller's spokesman says regarding a claim in Michael Wolff's new book.
President Donald Trump directed the U.S. intelligence community to "quickly and fully cooperate" with Attorney General William Barr's investigation into the origins of special counsel Robert Mueller's Russia probe.
"Right now we are in some sort of cyber Cold War, and deterrence is the only response," says former world chess champion Garry Kasparov.
The Michigan representative said that Congress risked encouraging misconduct by shrinking from the impeachment process.
President Donald Trump's top White House lawyer on Wednesday told a leading Democrat that Congress does not have the right to "pursue an unauthorized 'do-over' of" special counsel Robert Mueller's investigation.
The Republican-led Senate Intelligence Committee has subpoenaed President Donald Trump's eldest son, Donald Trump Jr., to answer questions about his claim to have just limited knowledge of an ultimately aborted plan to build a Trump Tower in Moscow.
The U.S. Justice Department suggested on Tuesday that it may completely withhold special counsel Robert Mueller's unredacted report from Congress.
Calls for Mueller to testify have intensified after it was revealed that the special counsel wrote Attorney General William Barr a letter taking issue with his summary of the Russia investigation's principal findings.
Special Counsel Robert Mueller wrote a letter expressing dissatisfaction with how Attorney General William Barr characterized his investigation's findings. CNBC's Eamon Javers reports on the latest developments.
Special counsel Robert Mueller reportedly raised criticisms about Attorney General William Barr's summary of the probe into Russian interference in the 2016 election.
The threat marks the latest escalation between the Trump administration and House Democrats.