2024 election live updates: Harris warns of Trump's unchecked power in 2nd term

The letter from the Election Crimes Branch of DOJ's Public Integrity Section was sent to Musk's PAC in recent days, according to the source.

Musk announced the lottery-style giveaway over the weekend that he said registered voters in battleground states can enter to support the First and Second Amendments.

While it's unclear whether the department has determined Musk's giveaway is outright illegal, experts have questioned whether the lottery violates federal law that prohibits individuals from paying people to register to vote.

The Justice Department declined to comment to ABC News.

ABC News has reached out to representatives for Musk and Musk's America PAC for comment but did not immediately receive a response.

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Harris will deliver a speech on the National Mall in Washington next Tuesday, one week before Election Day, two people familiar with the planning confirmed to ABC News.

The Washington Post first reported the plans.

The Harris campaign has been granted a permit for this event, which it listed as a "First Amendment Activity: Political Speech" in the application with the National Park Service.

The application shows that the campaign requested to move the location of the speech to the Ellipse.

The application requests an 8 a.m. to 8 p.m. window on Oct. 29th, and estimates that roughly 7,500 people will attend along with 250 staff and volunteers. Organizers added that the speaking program will "consist of 4 to 5 individuals & elected officials."

A comprehensive audit of Georgia's voter rolls found that just 20 noncitizens were registered to vote on a registration list of over 8 million, according to an announcement Wednesday from Georgia Secretary of State Brad Raffensperger.

All 20 of those registrations have been canceled and referred to the authorities for investigation and potential prosecution, Raffensperger said.

An additional 156 registrations were flagged for a "human investigation" that is now underway.

"Georgia has the cleanest voter list in the entire country," Raffensperger, a Republican, said of the audit. "Georgia can trust in their elections."

The result of the audit stands in stark contrast to claims being pushed by some Republicans, including former President Donald Trump, that large numbers of noncitizens are going to vote in the 2024 election.

Harris swiped at Trump's past comment about being a dictator only on "Day One" and his more recent threat to use the military against political opponents.

"Donald Trump is increasingly unhinged and unstable," she said. "And in a second term, people like John Kelly would not be there to be the guardrails against his propensities and his actions. Those who once tried to stop him from pursuing his worst impulses would no longer be there, and no longer be there to rein him in."

Harris did not take any questions after she finished the brief remarks.