Former President Trump has arrived at the courthouse in lower Manhattan.

He stepped out of his motorcade, waved, and walked into the side entrance.

A small group of supporters and protesters both cheered and booed his arrival.

Former President Trump is en route to the courthouse in lower Manhattan for this morning's proceedings.

The former president left for the the courthouse from Trump Tower in Midtown Manhattan.

Court this morning may start with a hearing over what prosecutors can ask Trump during cross-examination should he take the stand later in the trial.

The judge would hear arguments from both the people and the defense. The proceedings would then move into jury selection later in the morning.

Prosecutors have indicated they would want to cross-examine Trump on approximately "thirteen different court determinations," including the recent civil finding that he sexually abused columnist E. Jean Carroll, the criminal conviction of the Trump Organization last year, the finding that he committed a decade of business fraud, and the dissolution of his charity, according to sources familiar with the matter.

The hearing -- known as a Sandoval hearing -- is standard practice before jury selection and typically occurs when a defendant signals a willingness to testify.

In a filing last month, Trump's lawyers requested a Sandoval hearing to limit the scope of Trump's potential cross examination, if he opted to testify.

ABC News' Katherine Faulders contributed to this report.

Former President Trump will leave his Trump Tower apartment in Midtown Manhattan this morning and travel down to lower Manhattan for the first day of jury selection in his criminal hush money trial.

The proceedings come after Trump unsuccessfully tried three times last week to delay the start of the trial through the filing of appeals.

As a defendant in a criminal case, the former president will be required to be in court for the entire trial, which is expected to take six to eight weeks.

Four of the six remaining prospective jurors from the initial batch of 96 have ticked through their jury questionnaire, after which two were excused, leaving two still in the running to be selected.

A fifth prospect, a retired New York Police Department photographer, was going through his questionnaire.

A prospective juror who is a real estate developer advanced to the next round. He said he read "The Art of the Deal" a "long time ago" and alerted the court to tangential relationships with the former president.

"There are people that I know that know the president," he said. "It wouldn't in any way influence my thinking ... but I just wanted to state for the record that that's out there."

Among prospective jurors who were excused in the latest round was a North Carolina-born civil litigator and a doctor who asked to be excused to care for her patients. A history teacher at an all-girls' school was excused after she said her opinions about Trump might interfere with her ability to serve impartially.