In a notable exchange, Judge Henderson pressed Trump attorney D. John Sauer over his position that the actions detailed in Trump's indictment are related to his official duties to ensure that the laws of the U.S. are being "faithfully executed."

"I think it's paradoxical to say that his constitutional duty to take care of the laws be faithfully executed, allows him to violate federal laws," Henderson said.

She noted further that at this stage in the criminal process, where Trump is urging the court to dismiss the case before the trial begins, the law demands they assume the allegations in Smith's indictment are true.

The prosecution will next present arguments.

Judge Florence Pan pressed Trump attorney D. John Sauer over his argument that a president could only be criminally prosecuted if they were to be impeached and convicted first.

"But you're conceding that presidents can be criminally prosecuted under certain circumstances. Specifically, if they're impeached and convicted?" Pan pushed Sauer, saying that his arguments "fall away if you concede that a president can be criminally prosecuted under some circumstances."

Suaer said he disagreed, arguing that the "Constitution makes a carefully balanced, explicit exception to that principle in the impeachment judgment clause."

In another exchange with Judge J. Michelle Childs, Sauer grew animated as he declared "the current incumbent of presidency is prosecuting his No. 1 political opponent and his greatest electoral threat," repeating the baseless claim that President Joe Biden has personally directed special counsel Jack Smith's prosecutions.

Judge Pan then pressed Sauer over a position Trump's legal team had taken during his impeachment proceedings, while still in office, that there would be the opportunity for criminal prosecution of his actions after the fact -- regardless of conviction.

Sauer said that statements made during those proceedings should be considered unrelated and not relevant to the current issue of criminal immunity for actions taken by a sitting president.

Echoing the words of Donald Trump, his lawyer D. John Sauer told the court that allowing the prosecution of a former president would open a "Pandora's box."

"To authorize the prosecution of a president for its official acts would open a Pandora's box from which this nation may never recover," Sauer said at the start of his prepared remarks.

"Could George W. Bush be prosecuted for obstruction of an official proceeding for allegedly giving false information to Congress to induce the nation to go to war in Iraq under false pretenses?" Sauer asked. "Can President Obama be potentially charged with murder for allegedly authorizing drone strikes targeting U.S. citizens located abroad?"

In response, Judge Florence Pan asked Sauer if presidential immunity could provide unlimited powers for actions outside a president's official acts.

"You're saying a president could sell pardons, could sell military secrets, could order SEAL Team Six to assassinate a political rival?" Pan said.

With all participants in place, the hearing has begun.

D. John Sauer, an attorney for Trump, is set to begin arguments on behalf of the former president.