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.
Latest headlines:
Male shooter was killed by Secret Service counter-sniper: Source
The suspected shooter was a man and was killed by a Secret Service counter-sniper, according to a source familiar with the investigation.
His identity hasn't been immediately confirmed.
FBI Director Christopher Wray briefed Biden and the national security adviser Jake Sullivan, according to the source.
-ABC News' Pierre Thomas
Biden returning to the White House from Delaware
The president will be departing from his home in Delaware and return back to the White House tonight, officials annouced.
Biden is expected to arrive at 12:30 a.m., the White House said.
Incident officially being investigated as assassination plot: Senior official
The shooting at the Trump rally is officially being investigated as an assassination plot on Trump, a senior defense official told ABC News.
Early evidence indicates that there was only one shooter, according to the source.
Attorney General Merrick Garland said in a statement that the FBI; Bureau of Alcohol, Tobacco, Firearms and Explosives; U.S. Attorney’s Office for the Western District of Pennsylvania; and the Department’s National Security Division will be involved in the investigation.
"My heart is with the former President, those injured, and the family of the spectator killed in this horrific attack," he said in a statement. "We will not tolerate violence of any kind, and violence like this is an attack on our democracy. The Justice Department will bring every available resource to bear to this investigation."
-ABC News' Pierre Thomas
Trump looking forward to joining RNC in Milwaukee, campaign says
The Trump campaign released a statement indicating the former president will be attending the Republican National Convention in Milwaukee next week.
"As was communicated earlier this evening, President Trump is doing well and grateful to law enforcement and first responders for their fast action," the campaign said.
"President Trump looks forward to joining you all in Milwaukee as we proceed with our convention to nominate him to serve as the 47th President of the United States," they added.
-ABC News' Lalee Ibssa