The cost of special counsel Robert Mueller Robert (Bob) MuellerCNN's Toobin warns McCabe is in 'perilous condition' with emboldened Trump CNN anchor rips Trump over Stone while evoking Clinton-Lynch tarmac meeting The Hill's 12:30 Report: New Hampshire fallout MORE’s probe into Russian interference in the 2016 election has reportedly topped $5 million.

The Justice Department will release the first expense reports from the investigation next week, detailing the breakdown of the more than $5 million so far, according to ABC.

Mueller has hired 17 prosecutors in the investigation, which is looking at how the Russian government meddled in the 2016 presidential campaign, and whether the Trump campaign colluded with Russian officials.

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The probe has led to the indictments of former Trump campaign chairman Paul Manafort and his associate Richard Gates. The two were indicted on a 12-count charge that dealt largely with money laundering and also included “conspiracy against the United States.”

It was also revealed that former campaign aide George Papadopoulos pleaded guilty to lying to FBI investigators about his contacts with Russian nationals during the campaign.

The current focus of the investigation is former national security adviser Michael Flynn. Mueller’s team reportedly has enough information to indict Flynn and his son over an alleged deal with the Turkish government.

Conservatives, and Trump himself, have been highly critical of the investigation for costing taxpayer dollars. Trump has repeatedly maintained his claim that “there was no collusion” between his campaign and Russia.