In the wake of Trump's attempted assassination, investigators search for clues around the motive (2024)

WASHINGTON (AP) — The 20-year-old man who tried to assassinate former President Donald Trump first came to law enforcement’s attention at Saturday’s rally when spectators noticed him acting strangely outside the campaign event. The tip sparked a frantic search but officers were unable to find him before he managed to get on a roof, where he opened fire.

In the wake of the shooting that killed one spectator, investigators were hunting for any clues about what may have drove Thomas Matthew Crooks, of Bethel Park, Pennsylvania, to carry out the shocking attack. The FBI said they were investigating it as a potential act of domestic terrorism, but the absence of a clear ideological motive by the man shot dead by the Secret Service led conspiracy theories to flourish.

“I urge everyone — everyone, please, don’t make assumptions about his motives or his affiliations,” President Joe Biden said in remarks Sunday from the White House. “Let the FBI do their job, and their partner agencies do their job. I’ve instructed that this investigation be thorough and swift.”

The FBI said it believes Crooks, who had bomb-making materials in the car he drove to the rally, acted alone. Investigators have found no threatening comments on social media accounts or ideological positions that could help explain what led him to target Trump before the Secret Service rushed the presumptive Republican presidential nominee off the stage, his face smeared with blood.

Trump said on social media the upper part of his right ear was pierced in the shooting, but advisers said he was “great spirits” ahead of his arrival Sunday in Milwaukee for the Republican National Convention. Two spectators were critically injured, while a former fire chief from the area, Corey Comperatore was killed. Pennsylvania’s governor said Comperatore, 50, died a hero by diving onto his family to protect them.

Relatives of Crooks didn’t respond to numerous messages from The Associated Press. His father, Matthew Crooks, told CNN late Saturday that he was trying to figure out “what the hell is going on” but wouldn’t speak about his son until after he talked to law enforcement. An FBI official told reporters that Crooks’ family is cooperating with investigators.

Several rallygoers reported to local officers that Crooks was acting suspiciously and pacing near the magnetometers, according to a law enforcement official who spoke on the condition of anonymity because they were not authorized to discuss the investigation. Officers were then told Crooks was climbing a ladder, the official said. Officers searched for him but were unable to find him before he made it to the roof, the official added.

Butler County Sheriff Michael Slupe told the AP that a local officer climbed to the roof and encountered Crooks, who saw the officer and turned toward him just before the officer dropped down to safety. Slupe said the officer couldn’t have wielded his own gun under the circ*mstances. The officer retreated down the ladder, and Crooks quickly took a shot toward Trump, and that’s when Secret Service snipers shot him, according to two officials who spoke to AP on condition of anonymity to discuss an ongoing investigation.

FBI officials said Sunday that they were combing Crooks’ background and social media activities while working to get access to his phone. The chatting app Discord, a social media platform popular with people playing online games, said Crooks appears to have had an account but used it rarely and not in the last several months. There’s no evidence he used his account to promote violence or discuss his political views, a Discord spokesperson said.

Crooks’ political leanings were not immediately clear. Records show Crooks was registered as a Republican voter in Pennsylvania, but federal campaign finance reports also show he gave $15 to a progressive political action committee on Jan. 20, 2021, the day Biden was sworn into office.

Crooks graduated from Bethel Park High School in 2022. In a video of the school’s graduation ceremony posted online, Crooks can be seen crossing the stage to receive his diploma, appearing slight of build and wearing glasses. The school district said it will cooperate fully with investigators. His senior year, Crooks was among several students given an award for math and science, according to a Tribune-Review story at the time.

Crooks tried out for the school’s rifle team but was turned away because he was a bad shooter, said Frederick Mach, a current captain of the team who was a few years behind Crooks at the school.

Jason Kohler, who said he attended the same high school but did not share any classes with Crooks, said Crooks was bullied at school and sat alone at lunch time. Other students mocked him for the clothes he wore, which included hunting outfits, Kohler said.

“He was bullied almost every day,” Kohler told reporters. “He was just a outcast, and you know how kids are nowadays.”

Crooks worked at a nursing home as a dietary aide, a job that generally involves food preparation. Marcie Grimm, the administrator of Bethel Park Skilled Nursing and Rehabilitation, said in a statement she was “shocked and saddened to learn of his involvement.” Grimm added that Crooks had a clean background check when he was hired.

A blockade had been set up Sunday preventing traffic near Crooks’ house, which is in an enclave of modest brick houses in the hills outside Pittsburgh and about an hour’s drive from the site of the Trump rally. Police cars were stationed at an intersection near the house and officers were seen walking through the neighborhood.

Crooks used an AR-style rifle, which authorities said they believe was purchased by his father. Kevin Rojek, FBI special agent in charge in Pittsburgh, said that investigators do not yet know if he took the gun without his father’s permission.

A video posted to social media and geolocated by AP shows Crooks wearing a gray t-shirt with a black American flag on the right arm lying motionless on the roof of a manufacturing plant just north of the Butler Farm Show grounds where Trump’s rally was held.

The roof where Crooks lay was less than 150 meters (164 yards) from where Trump was speaking, a distance from which a decent marksman could reasonably hit a human-sized target. That is a distance at which U.S. Army recruits must hit a scaled human-sized silhouette to qualify with the M-16 rifle.

Images of Crooks’ body reviewed by AP show he appears to have been wearing a T-shirt from Demolition Ranch, a popular YouTube channel that regularly posts videos of its creator firing off handguns and assault rifles at targets that include human mannequins.

Matt Carriker, the Texas-based creator of Demolition Ranch, did not respond to a phone message or email on Sunday, but posted a photo of Crooks’ bloody corpse wearing his brand’s T-shirt on social media with the comment “What the hell.”

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Mustian reported from New York and Balsamo reported from Chicago. Associated Press writers Marc Levy in Harrisburg, Pa., Julie Smyth, Lindsey Bahr and Joshua Bickel in Bethel Park, Michael R. Sisak and Randy Herschaft in New York, Michael Kunzelman in Silver Spring, Md., and Colleen Long and Eric Tucker in Washington contributed to this report.