Members of Donald Trump's legal team, speaking to reporters outside the courthouse prior to the start of the trial, called the fraud allegations against the former president "election interference."

Trump's attorneys said that Democrats were using the case to fight Trump's efforts to retake the White House in 2024.

New York Attorney General Letitia James has arrived at the courthouse in lower Manhattan.

"No matter how powerful you are, no matter how much money you think you may have, no one is above the law," James said to the cameras before entering the courthouse.

"Today we will prove our case in court," she said. "Justice will prevail."

Demonstrators across the street from the courthouse cheered and applauded as the AG arrived.

Former President Trump is in a motorcade on his way to the courthouse in lower Manhattan where his fraud trial will get underway this morning.

Opening statements in the case are scheduled to get underway at 10 a.m. ET.

-John Santucci

New York Attorney General Letitia James released a statement on Monday just hours before the first day of trial in her fraud case against former President Donald Trump.

"For years, Donald Trump falsely inflated his net worth to enrich himself and cheat the system," James said. "We won the foundation of our case last week and proved that his purported net worth has long been rooted in incredible fraud. In this country, there are consequences for this type of persistent fraud, and we look forward to demonstrating the full extent of his fraud and illegality during trial."

"No matter how rich or powerful you are, there are not two sets of laws for people in this country," she added. "The rule of law must apply equally to everyone, and it is my responsibility to make sure that it does."

Testifying for the defense, former President Trump's eldest son described his father as a real estate "visionary" who "sees the sexiness in a real estate project," creating value for the family business that cannot be captured on paper.

Donald Trump Jr. began his testimony with a quip after Judge Engoron welcomed him back to the stand following his testimony earlier in the month.

"I'd say it's good to be here, but the attorney general would probably sue me for perjury," Trump Jr. joked.

In his testimony, Trump Jr. described the Trump Organization as "a large family business," with Trump and his eldest children at the top and other executives handling many of the details.

"If there were numbers and things, I would rely on them to give me that," Trump Jr. said.

He recounted the history of the Trump Organization, beginning with his great-grandfather who he said built hotels in the Yukon Territories of Canada. His grandfather, Fred Trump, "started working on job sites around Queens, learned the trades" and eventually "created an incredible portfolio, by the time of his passing, of rental apartments in Brooklyn and Queens."

A state attorney jokingly objected that references to the 1800s were outside the statute of limitations -- then more seriously objected to the history lesson's relevance.

"I think it is relevant to get the historical perspective -- I find it interesting," Judge Engoron said in overruling the objection. "Let him go ahead and say how great the Trump Organization is."

Trump Jr. obliged.

"My father learned a lot of the business from him, but had some flair and saw New York City and Manhattan as the ultimate frontier," he said. Speaking of Trump Tower, he said, "I think it would have been one of the first, I think great, ultra-luxury real estate emerging in Manhattan."