Assistant Attorney General Rod Rosentein indicated that Mueller may be investigating Trump's dismissal of former FBI Director James Comey.
On Tuesday, the attorney general helped blunt the investigation into Russian interference in the 2016 election through denials, nonanswers and lapses in memory.
Those who have worked with or taught the former FBI director are defending him from attacks out of the Trump administration.
According to sources, Sessions will also dispute the account Comey gave under oath of a conversation between the two men.
Former FBI director has no reason to be worried about prosecution for releasing personal memos, legal experts argue.
Social media users have spotted a sly joke in a Smirnoff ad.
The president's daughter sat down with the hosts of 'Fox & Friends' on Monday morning.
Lindsey Graham suggests Trump should focus on helping people rather than settling scores or lobbing insults.
Senator Dianne Feinstein recommends the 'Judiciary Committee investigate all issues that raise a question of obstruction of justice.'
The former FBI director admitted leaking a memo of his conversation with Trump.
Jeff Sessions will appear before the Senate's intelligence committee on Tuesday.
What the former FBI director left out of his sworn testimony could spell trouble for the likes of Jared Kushner, Jeff Sessions—and Trump himself.
Why do they not hear the mafia threat Trump made to Comey?
Two leading Trump resistance groups have called for impeachment proceedings against President Donald Trump to begin.
Did he violate executive privilege by orchestrating a leak of memos?
Twitter users said they could relate to Comey's account of being trapped by a powerful, demanding man.
The president made the comment during an unrelated press conference with Romanian President Klaus Iohannis.
The left-wing independent says inequality is responsible for large gains for U.K.'s Labour party.
Oddsmakers suggest it is increasingly likely Trump will fail to see out his four-year term.