President Trump Donald John TrumpOmar fires back at Trump over rally remarks: 'This is my country' Pelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Trump mocks Biden appearance, mask use ahead of first debate MORE on Friday mocked the 14-day jail sentence handed to former campaign adviser George PapadopoulosGeorge Demetrios PapadopoulosTale of two FBI cases: Clinton got warned, Trump got investigated Trump says he would consider pardons for those implicated in Mueller investigation New FBI document confirms the Trump campaign was investigated without justification MORE.

"14 days for $28 MILLION - $2 MILLION a day, No Collusion," Trump tweeted shortly after the sentence was announced. "A great day for America!"

14 days for $28 MILLION - $2 MILLION a day, No Collusion. A great day for America! — Donald J. Trump (@realDonaldTrump) September 7, 2018

It is unclear what Trump is referring to in regards to the $28 million figure. CNN noted that it appeared to be a reference to 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 Russia's election interference.

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However, the news network reported that Mueller's investigation has only spent about $7.7 million, citing government estimates. CNN reported the Justice Department has spent at least $17 million investigating Russian meddling into the 2016 elections.

"I don't know Papadopoulos. I don't know him," Trump said to reporters after the sentencing, according to CNN. "I saw him sitting in one picture at a table with me. That's the only thing I know about him. I don't know him. But they got him, I guess, on a couple of lies, I guess that's what they're saying."

Papadopoulos on Friday became the first Trump adviser to be sentenced to a jail sentence from Mueller's probe. His sentencing comes almost a year after he pleaded guilty to lying to the FBI about his contacts with Russian operatives before the 2016 election.