Former White House national security adviser Michael Flynn had his sentencing hearing delayed on Tuesday following a contentious exchange between him and the judge.

President Donald Trump has faced federal investigators who took an interest in his national security adviser early on.

Flynn (shown above left) resigned a short time into his tenure in the White House when information surfaced that seemingly showed he lied about having a meeting with Russian Ambassador Sergey Kislyak.

U.S. District Judge Emmet G. Sullivan issued the delay on Tuesday after attacking Flynn — even seemingly accusing him of treason.

The judge suggested the delay based on charges that Flynn made false statements to the FBI when he was supposed to be cooperating in a separate case involving illegal lobbying for Turkey, Fox News reported.

Related: Former U.S. Attorney: ‘General Flynn Gave Them Nothing About the President’

Flynn’s attorneys initially declined an offer to delay the sentencing hearing earlier in the day.

But that soon changed after the judge warned he couldn’t guarantee Flynn wouldn’t get jail time.

Sullivan suggested a conference hearing for Flynn to be held on March 13, 2019.

“General Flynn has held nothing back in regard to the special counsel’s investigation,” Flynn’s lawyer told the court, according to Fox News.

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The attorney admitted the Turkey case is the only other issue in which Flynn could be more helpful.

Trump and his associates have been accused of colluding with Russian interests to sway the presidential election of 2016. Special counsel Robert Mueller has been leading an investigation into the accusations since May 2017.

Related: Trump Calls for His Former Lawyer to Face Strict Sentence After Plea Deal

Flynn initially resisted cooperating — but eventually chose to do so, after formalizing a deal with the special counsel to plead guilty in December 2017.

The special counsel team would eventually file a memorandum recommending a lenient sentence, with the possibility of no prison time, on December 4. Mueller stated in the filing that Flynn had offered “substantial” help to investigators about “several ongoing investigations.”

Michael Cohen, a former attorney for the president, admitted to lying to lawmakers in federal court about how much he discussed his proposed business project in Moscow with the president as part of his own plea deal.

Trump responded by calling him “weak” — while adding that he (Cohen) was only after a lighter sentence for his own crimes.

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