Sen. Richard Blumenthal (D-Conn.) slammed President Trump Donald John TrumpFederal prosecutor speaks out, says Barr 'has brought shame' on Justice Dept. Former Pence aide: White House staffers discussed Trump refusing to leave office Progressive group buys domain name of Trump's No. 1 Supreme Court pick MORE on Saturday for his repeated denials of collusion between his presidential campaign and Russia.

“Trump denial of Russian collusion rotten at core and doomed to unravel,” Blumenthal tweeted Saturday. “Expect more serious convictions and indictments early in 2018 as Special Counsel climbs ladder of criminal culpability - and more panicky, preemptive attacks from Republicans.”

Trump denial of Russian collusion rotten at core and doomed to unravel. Expect more serious convictions and indictments early in 2018 as Special Counsel climbs ladder of criminal culpability - and more panicky, preemptive attacks from Republicans. https://t.co/XnF1Jf16jP — Richard Blumenthal (@SenBlumenthal) December 30, 2017

Blumenthal’s remarks come on the heels of a new report detailing how the investigation into Russian interference in the 2016 presidential election began.

The New York Times reported Saturday that former Trump campaign foreign policy 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 prompted the investigation by drunkenly revealing knowledge of Russian opposition research on then-Democratic presidential candidate Hillary Clinton Hillary Diane Rodham ClintonBloomberg rolls out M ad buy to boost Biden in Florida Hillicon Valley: Productivity, fatigue, cybersecurity emerge as top concerns amid pandemic | Facebook critics launch alternative oversight board | Google to temporarily bar election ads after polls close Trump pledges to make Juneteenth a federal holiday, designate KKK a terrorist group in pitch to Black voters MORE.

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In May 2016, Papadopoulos allegedly revealed to Australian diplomat Alexander Downer that Russian officials were shopping possible damaging information on Clinton, likely implying that Russian officials were offering the information to the Trump campaign, the Times reported.

Papadopoulos apparently shared information provided to him by Joseph Mifsud, a London-based professor with ties to Moscow officials, who told him that the Russians had "thousands of emails" obtained by hackers from the Democratic National Committee (DNC) that had yet to be released.

Australian officials informed their U.S. counterparts after leaked DNC emails began to surface online, according to the Times.

Papadopoulos pleaded guilty in October to lying to the FBI for misrepresenting his communications with Mifsud and Olga Polonskaya, a woman who, along with Mifsud, attempted to broker a meeting between Trump and Russian President Vladimir Putin.

Trump and other former campaign officials have denied Papadopoulos had a large role in the campaign. One former campaign aide, Michael Caputo, said Papadopoulos was a "coffee boy" who had "nothing to do with the campaign."