World News Tonight with David Muir

In-person early voting started in the battleground state on Oct. 15.

"This could have been much worse," police said.

Three other people were critically injured, officials said.

There's no indication yet whether classified documents on Israel's retaliation plans were leaked or hacked, White House national security spokesperson John Kirby told reporters Monday."I'm just not able to answer your question whether it was a leak or a hack at this point. We'll let the investigation pursue its logical course there," Kirby said.Kirby said that President Joe Biden was "deeply concerned" about the incident, and that while they don't expect more documents to be revealed, they are on high alert amid the investigation."We're certainly going to keep our antenna up and our eyes open for any potential future disclosures," he said.-ABC News' Cheyenne Haslett

Both aviators flew combat missions in the Middle East, according to the Navy.

Payne died Oct. 16 after falling from the third-floor balcony of his hotel room.