One of the most politically fraught investigations in recent U.S. history is over.

For nearly two years, the special counsel, Robert Mueller, has been leading an inquiry into Russia’s interference in the 2016 presidential election, and any connections with President Donald Trump’s campaign.

But word came on Friday from the one official who ultimately oversees Mueller, Attorney General William Barr: Mueller had finished, and submitted a report with his findings.

The special counsel’s full conclusions have not yet been released, though his team has already disclosed many details publicly in court filings. Now, it’s up to Barr to decide how much if any of the report will become public. He told senior members of Congress Friday that he was considering how much to disclose.

This much, we know for sure:

22 months (or 674 days)

The amount of time that has elapsed since Mueller took on the job. Deputy Attorney General Rod Rosenstein appointed Mueller, a former FBI director, to oversee the investigation on May 17, 2017. The probe did not last as long as other special investigations in modern history, such as the Iran-Contra, Watergate and Whitewater investigations, which extended into at least 4 years.

34

The number of people who have been charged with crimes since the probe began. This includes 12 Russian intelligence officers and 13 other Russian nationals. (Three companies have been charged as well.)

5

The number of Trump’s former business and campaign staffers who have pleaded guilty in the probe and agreed to cooperation deals:

Michael Cohen, former vice president of the Trump Organization and Trump’s former personal attorney. Cohen pleaded guilty to lying to Congress in November. He also pleaded guilty to tax fraud and campaign finance charges in a separate court case.

former vice president of the Trump Organization and Trump’s former personal attorney. Cohen pleaded guilty to lying to Congress in November. He also pleaded guilty to tax fraud and campaign finance charges in a separate court case. Michael Flynn, former national security adviser. Flynn pleaded guilty to lying to the FBI.

former national security adviser. Flynn pleaded guilty to lying to the FBI. Paul Manafort, former Trump campaign chairman. Manafort pleaded guilty to financial and tax crimes as well as to foreign lobbying charges. Last month, the judge presiding over his case in Washington ruled that Manafort lied to the special counsel’s team, even though he had agreed to cooperate with their investigation.

former Trump campaign chairman. Manafort pleaded guilty to financial and tax crimes as well as to foreign lobbying charges. Last month, the judge presiding over his case in Washington ruled that Manafort lied to the special counsel’s team, even though he had agreed to cooperate with their investigation. Rick Gates, former Trump campaign deputy chairman. Gates pleaded guilty to a conspiracy charge related to financial crimes and to lying to FBI investigators.

former Trump campaign deputy chairman. Gates pleaded guilty to a conspiracy charge related to financial crimes and to lying to FBI investigators. George Papadopoulos, former campaign adviser. Papadopoulos pleaded guilty to lying to the FBI.

More than $25 million

The known cost of the investigation (up to a point). The Justice Department spent $25.2 million on staff salaries, equipment, travel, rent and other expenses between May 2017 and September 2018. The agency has not released an updated number that includes the costs incurred over the last seven months. Trump has repeatedly claimed, without evidence, that the investigation has cost much more. In November, he tweeted that it had, at the time, cost $40 million.

66

The number of tweets in which Trump has referred to Robert Mueller by name. (Trump has also used the phrase “witch hunt” in 85 tweets.)

Correspondent Lisa Desjardins contributed reporting.

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