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Trump shooting live updates: Trump Jr. recalls moment he learned father was shot

One spectator was killed and two were hurt in Saturday's shooting.

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 Saturday.

Blood splattered on Trump's face as Secret Service agents surrounded him and led him off the stage to a waiting vehicle to whisk him away. Trump is "fine," a spokesperson said.

The alleged shooter was killed by snipers. One spectator was killed and two were hurt, officials said.


What we know about the shooting

After conducting more than 100 interviews, searching the suspect's home and vehicle, and cracking into his cellphone, FBI investigators were still searching on Tuesday for the motive that led a 20-year-old Pennsylvania man to attempt to assassinate a former president. Read more here.


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Trump will leave for Milwaukee on Sunday afternoon

Former President Donald Trump said he will head to Milwaukee for the Republican National Convention on Sunday afternoon.

Trump wrote on social media that he was going to delay the trip by two days, "but have just decided that I cannot allow a 'shooter,' or potential assassin, to force change to scheduling, or anything else."

-ABC News’ Kesley Walsh


Biden rescheduling Monday trip to Texas

President Joe Biden is rescheduling his Monday trip to Austin, Texas, where he was scheduled to deliver the keynote address at a commemoration for the 60th anniversary of the Civil Rights Act, according to the White House.

This is Biden’s first rescheduled event in the wake of the assassination attempt on former President Donald Trump. It also follows Vice President Kamala Harris postponing her Tuesday campaign stop in Florida.

Biden is expected to deliver remarks to the nation at 1:30 p.m. ET Sunday.

-ABC News' Justin Gomez


Gun traced to shooting suspect's father, was legally purchased

The firearm recovered at the scene of the Trump assassination attempt was legally purchased by the suspect’s father, an urgent trace conducted by ATF found, according to multiple law enforcement sources.

The AR-15-style assault rifle was purchased by the suspect’s father in 2013, according to a source briefed on the investigation.

The shooter -- identified by the FBI as Thomas Matthew Crooks, 20, of Bethel Park, Pennsylvania -- had no military affiliation, according to the Pentagon.

There were what "appeared" to be explosives in the suspect's car, which was parked outside the Trump rally, two sources told ABC News. One source said they looked like grenades, but the sources said they were awaiting forensic results about whether the items are actually explosives.


Suspect described as 'lonely,' 'quiet'

Former classmates of the suspected shooter, 20-year-old Thomas Matthew Crooks, of Bethel Park, Pennsylvania, described him to ABC News as a student who was "quiet" and did not have many friends.

"He was somebody who came across as lonely a lot," said Jameson Myers, who said he attended both elementary and high school with Crooks.

Myers described him as "more socially reserved" and someone who "didn't have a ton of friends."

But he said he never heard Crooks discuss politics or, specifically, Donald Trump.

"I was friends with him. He never acted, like, by any means, a political revolutionary," Myers said. "Was a very nice, even sweet guy, from what I knew."

Another classmate, Zoe Materkowski, said he was "just a quiet kid."

Added Jason Kohler, a classmate: "He was a loner. He would sit alone at lunch."

Another classmate described him as "smart" and "kind."

-ABC News’ Olivia Rubin and Peter Charalambous