Trump shooting updates: Shooter flew drone 200 yards from site hours before shooting
One spectator was killed and two were hurt in the shooting on July 13.
Federal authorities are investigating after former President Donald Trump was shot in the ear in an assassination attempt at an election rally in Butler, Pennsylvania, on July 13.
The alleged shooter was killed by snipers. One spectator was killed and two were hurt, officials said.
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Trump arrives in New Jersey
Trump arrives at Newark Liberty International Airport just after midnight early Sunday.
He arrived in Newark about six hours after the shooting took place.
Trump had been scheduled to spend the night at his club in Bedminster prior to the shooting taking place.
Shooter believed to be a 'lone wolf': Law enforcement source
Authorities believe they have an identification on the suspected shooter, but are not yet releasing a name "as it is a very sensitive point in the investigation," according to a law enforcement source.
Early indication is that this is a lone wolf, the source said, but the situation is fluid and the investigators want to be absolutely certain that this person had no support and that no one knew what was coming.
The gunman opened fire with a rifle from the roof of a building about 200 to 300 yards away from the stage where Trump was speaking. A U.S. Secret Service counter-sniper team immediately killed the individual.
Trump leaves Butler area
Trump left the Butler, Pennsylvania, area just after 11 p.m., according to Gov. Josh Shapiro.
"Under the protection of US Secret Service and with the assistance of the Pennsylvania State Police, former President Trump has now left the Butler area," Shapiro said. "Lori and I are thankful that his team reports that he is fine and we continue to wish him a full and speedy recovery."
The former president left the area about five hours after the shooting took place.
Trump's plane took off from Pittsburgh, but a destination was not released.
Biden spoke with Trump: White House official
President Biden spoke with Trump, a White House official told ABC News.
Biden also spoke with Pennsylvania Gov. Josh Shapiro and Butler Mayor Bob Dandoy, the official said.
-ABC News' Mary Bruce