Barr and Deputy Attorney General Rod Rosenstein arrives at their Justice Department offices , reviewing and analyzing Mueller's confidential report, the official told CNN.
The Barristers and Lawyers, Barriers and Lawmakers, said: "The principal conclusions" that Barr promised lawmakers want to get from the special counsel's report – a distillation
The expectation, according to the official, continues to be the document sent to Congress.
But the waiting game will continue for at least one more day.
The submission to Congress and the public is anticipated on both sides of Pennsylvania Avenue, with lawmakers and the White House now, after Mueller submitted his report to Barr on Friday.
The Republican Allies of President Donald Trump said: "The end of the investigation means that there will be no more indictments.
But a battle is brewing between the trump administration and congressional democrats over Mueller's report. Mueller's underlying evidence is provided to Capitol Hill.
House Democrats held a caucus-wide call Saturday afternoon
They renew their demands for full transparency of the Mueller report, according to people on the call.
Democrats leaders argue that their "White House must not be allowed to interfere with the report's release."
The talking points include details about why they believe the 1999's to investigate the 1993 incident in Waco, Texas. They also provide the Justice Department with 880,000 pages of paper from the GOP sample in the FBI's Hillary Clinton investigation – as well as the Justice Department's records on the Hill over the Watergate sample
"If necessary, Democrats would be prepared to use their subpoena authority to obtain the full report and evidence from the Special Counsel, the Attorney General, Deputy Attorney General and other necessary officials,
On the call, Democrats argued that the public is overwhelmingly on their side for full transparency, pointing to public opinion polls on their case.
"Even if DOJ chooses not to prosecute additional individuals, the underlying findings, "Pelosi wrote in a letter to House Democrats released Saturday ahead of the call. The Attorney General 's report on the report is exhaustive may raise. "
Mueller's 22-month investigation into defendants, seven guilty pleas and one conviction at trial, which included charges against Trump's former campaign chairman, national security adviser and personal attorney.
Allies of Trump
Mueller found with respect to the President, but the fact he was not not trump and his legal team.  Barr wrote in his briefing that the Justice Department leaders never told the special counsel they had proposed.
This story has been updated.