The Latest: Trump says Mueller and Comey are 'Best Friends'

In this Nov. 29, 2018 photo, President Donald Trump talks with reporters on the South Lawn of the White House in Washington. Trump is marking what’s e

In this Nov. 29, 2018 photo, President Donald Trump talks with reporters on the South Lawn of the White House in Washington. Trump is marking what’s e

FILE - In this June 21, 2017, file photo, special counsel Robert Mueller departs after a meeting on Capitol Hill in Washington. Mueller is set to reve

FILE - In this June 21, 2017, file photo, special counsel Robert Mueller departs after a meeting on Capitol Hill in Washington. Mueller is set to reve

WASHINGTON (AP) — The Latest on the special counsel's Russia investigation and President Donald Trump's views on it (all times local):

7:45 a.m.

President Donald Trump is marking what's expected to be a busy day for special counsel Robert Mueller's Russia investigation by launching a Twitter broadside against the prosecutor and his team.

Mueller faces court deadlines in two pivotal cases Friday, and ex-FBI Director James Comey is set to appear before lawmakers on Capitol Hill.

Trump has made little secret of his frustration with the swirling probe into Russian election interference and potential misdeeds committed by those in his orbit and is seeking to undermine the legitimacy of Mueller's investigation.

Trump tweets: "Robert Mueller and Leakin' Lyin' James Comey are Best Friends, just one of many Mueller Conflicts of Interest."

Mueller's investigation has produced dozens of criminal charges and four guilty pleas from Trump associates.

Trump also argues his deputy attorney general, Rod Rosenstein (ROH'-zen-styn), is "totally conflicted." Rosenstein oversaw the probe until last month.

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1:10 a.m.

Robert Mueller is set to reveal more details about his Russia investigation as he faces court deadlines in the cases of two men who worked closely with President Donald Trump.

The special counsel and federal prosecutors in New York will have to file memos in court on Friday detailing the cooperation of longtime Trump legal fixer Michael Cohen. And Mueller's team will also be disclosing what they say former Trump campaign chairman Paul Manafort lied about when his plea deal fell apart last month.

Cohen and Manafort are among five former Trump associates who prosecutors have accused of lying either to federal investigators or to Congress.

The court filings will close out a busy week for Mueller as the president has heightened his attacks on the investigation.