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Thomas Crooks: The Quiet Assailant

June 23,2025

Criminology

The Unravelling of Thomas Crooks: A Gunman's Descent

On a summer evening in Pennsylvania, a political rally turned into a scene of chaos and violence. The target was Donald J. Trump, the former and future president of the United States. The man on the roof, armed with a rifle, was Thomas Matthew Crooks, a 20-year-old from a nearby town. He fired eight shots, forever altering the course of the 2024 presidential election and ending his own life in the process. Crooks grazed Mr Trump’s ear, took the life of a rally attendee and wounded two more individuals just before a Secret Service sniper fatally shot him. The immediate question that arose amid the panic was not just how this happened, but why. What could possibly turn a quiet, high-achieving engineering student into someone who would carry out a political attack? This question sent journalists and investigators on a deep dive into a life that was, until that moment, utterly unremarkable. They sought to piece together the fragments of a story that many found baffling.

A Saturday Evening of Chaos

The presidential campaign event took place at the Butler Farm Show grounds near Meridian, Pennsylvania. On the evening of 13 July 2024, Donald Trump was several minutes into his speech when the sharp crack of rifle fire echoed across the venue. Thomas Crooks, positioned on the roof of a nearby building, opened fire with an AR-15-style rifle. Pandemonium erupted as rally-goers scrambled for safety. Mr Trump flinched, grabbed his right ear, and was quickly shielded by Secret Service agents who rushed him from the stage. A bullet had torn through the upper part of his ear. On the ground, the attack caused devastating collateral damage. One man lay dead, and two other attendees suffered critical injuries from the gunfire. Within seconds, the swift response from law enforcement ended the assault. A Secret Service counter-sniper neutralised Crooks, bringing his deadly actions to a final, abrupt halt.

Identifying the Gunman

Authorities quickly worked to identify the deceased shooter. He carried no identification, so investigators relied on biometric data to confirm his identity. The following day, the FBI formally named him as Thomas Matthew Crooks, a 20-year-old resident of Bethel Park, a suburb of Pittsburgh about an hour’s drive from the rally site. News of his identity sent shockwaves through his quiet community. Crooks had no prior criminal record, and initial checks by the FBI found no immediate indications of significant mental health problems or a clear motive for the attack. The initial portrait that emerged was one of profound contradiction. The young man from a peaceful suburb seemed an unlikely figure for such a violent public act. The media descended on Bethel Park, and a sprawling investigation began, aiming to understand the individual who wielded the rifle.

The First Portrait of a Killer

Journalists and law enforcement immediately began the challenging work of piecing together the life of Thomas Crooks. They worked the phones, cultivated sources, and went door-to-door, speaking with his neighbours and former classmates. They were searching for any clue that might explain his murderous turn. The first article to map his journey from academic achiever to armed attacker revealed an eye-opening, yet incomplete, picture of his life. He was a 2022 graduate of Bethel Park High School and had recently earned an associate degree in engineering science with high honours from the Community College of Allegheny County. This image of academic success and quiet diligence clashed violently with the reality of his actions in Butler. Many aspects of his life remained a mystery, leaving a void that investigators were determined to fill.

Thomas

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A Political Firestorm

The effort on his life sent an immediate shockwave through the American political landscape. The event occurred just as the campaign for the 2024 presidency was heating up. Donald Trump quickly framed the attack as a moment of divine providence. He claimed that a higher power had intervened so he could rescue the nation. This narrative became a powerful and recurring theme in his campaign. The political world was soon thrown into further turmoil when the sitting president, Joseph R. Biden Jr., withdrew from the race. Kamala Harris, the Vice President, then stepped in to become the Democratic nominee. For a time, these developments overshadowed the lingering questions about the Butler shooting. A second, thwarted effort to attack him at one of Mr Trump’s Florida golf courses later in the year only added to the nation’s sense of unease.

An Enduring Enigma

In the months that followed, as the political world moved on, the mystery of what motivated Thomas Crooks endured. Mr Trump was successful in his bid for the presidency in the November election. The image of him defiantly raising a fist, his face streaked with blood, had become an iconic part of his successful campaign. Yet, the man who created that image remained largely an enigma. His reasons for attempting to kill a former president were still unknown to the public. The lack of a clear manifesto or explanation frustrated investigators and fuelled public speculation. With Mr Trump's return to the presidency, news organisations felt a renewed sense of purpose to dig deeper into the story and provide a more complete account of what drove Crooks to commit his violent act.

The Deep Dive Investigation

Journalistic teams from major outlets, including The New York Times and The Wall Street Journal, launched renewed, in-depth investigations. Journalists who had reported on the initial event joined forces to pursue the story from multiple angles. Their reporting took them back to Western Pennsylvania, where they tried to engage with individuals who had interactions with Crooks. They invoked freedom of information statutes to acquire official documents and meticulously searched official publications for any overlooked information about the shooting. This painstaking work was essential to fill the gaps left in the immediate aftermath.

Revisiting a Shaken Community

During the period immediately after the shooting, the town of Bethel Park became a spectacle, causing many who knew Crooks to shy away from the media. Months later, this reluctance persisted. Some were apprehensive about any connection to the would-be assassin. Others voiced a wish to simply put the traumatic event behind them. Despite these hurdles, journalists continued their outreach, using phone calls, messages, and personal visits. Eventually, their persistence paid off. They found individuals who understood the value of helping the public comprehend the person responsible for one of the most shocking political attacks in modern American history.

A Crucial Digital Trail

A significant breakthrough in the investigation came from obtaining Crooks’s records from the Community College of Allegheny County. As a public institution, the college was governed by Pennsylvania’s freedom of information statutes. The usual privacy rules were no longer in effect due to Crooks’s passing, granting journalists access to a trove of his digital communications. This material included his emails, class assignments, and even visual projects he had completed for his courses. A video he submitted for an introduction at age 18 provided a striking glimpse into his life. In the recording, he spoke about his own life and his tightly-knit family unit. This digital archive offered a direct, if limited, window into his mindset in the years prior to the attack. The records became a cornerstone of the effort to understand his transformation.

An Online World of Interest

In addition to his college records, investigators managed to obtain logs that offered an incomplete look at his online activity. This digital footprint revealed a keen interest in current events, firearms, and Donald Trump himself. It suggested a young man who was more engaged with the world than his quiet public persona might indicate. The FBI also uncovered a social media account believed to be associated with Crooks. A preliminary review of comments from 2019 and 2020 appeared to reflect antisemitic and anti-immigration views and an espousal of political violence. While the FBI noted these findings were not yet fully authenticated, they added another layer of complexity to the emerging picture of Crooks, suggesting a troubling radicalisation that may have occurred in online spaces, hidden from those around him.

Thomas

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Official Inquiries and Security Failures

While journalists pursued their own leads, official bodies conducted formal investigations. The FBI took the lead in the criminal probe, treating the attack as a potential act of domestic terrorism. Congress also took action, establishing a bipartisan congressional committee to investigate the security failures that allowed the attack to happen. This committee issued its findings in December, which concluded that the tragic events in Butler were "preventable". The report detailed a succession of errors and "fragmented lines of communication" between the Secret Service and local police. These failures created an environment where Crooks could evade detection, climb onto the unprotected roof, and fire eight rounds at the former president.

A Glimpse into the Family

The congressional committee also made public the written records from interviews with a pair of government agents that had gone to the Crooks residence on the evening the attack occurred. These documents provided an intimate and heartbreaking perspective on his parents' shock and devastation. His father told investigators that he had noticed his son's mental health declining in the year before the shooting. He described seeing Crooks talking to himself and behaving erratically late at night. The family also had a history of mental health and addiction issues. The FBI investigation further revealed that Crooks's parents had called the police hours before the rally to report him missing, expressing concern for his wellbeing. These details painted a tragic picture of a family struggling to comprehend an unthinkable act committed by their son.

A Hero in the Crowd

The attack claimed the life of one spectator, Corey Comperatore, a 50-year-old former volunteer fire chief from Buffalo Township. Eyewitnesses and officials hailed him as a hero. In his final moments, Comperatore shielded his wife and daughter from the gunfire, sacrificing his own life to protect them. Friends and neighbours described him as a man of conviction and a devoted public servant who always put others first. Governor Josh Shapiro stated that Comperatore “died a hero” and was “the very best of us”. His selfless act stood in stark contrast to the violence of the attacker, becoming a poignant symbol of courage amid the chaos. His death served as a devastating reminder of the human cost of political violence that extends far beyond the intended target.

Preventable Tragedy: The Security Report

The congressional committee’s conclusive, 180-page document provided a damning assessment of the security preparations for the Butler rally. It identified a cascade of failures, stating that the incident was not the result of a single error but of numerous systemic problems. A key finding was the failure to secure the building from which Crooks launched his attack, despite it having a clear line of sight to the stage. The report also criticised the lack of urgency and poor communication among law enforcement agencies during a security walkthrough before the event. It noted that multiple witnesses had seen Crooks on the roof before he opened fire and tried to alert authorities, but these warnings were not effectively relayed to Mr Trump’s security detail. The report concluded that there were several moments when officers could have engaged Crooks before he fired a shot.

The Gunman’s Preparations

Evidence gathered by the FBI revealed a degree of planning in Crooks's actions. The AR-15-style rifle he used was legally purchased by his father in 2013 and transferred to Crooks in October 2023. Crooks was a member of a local shooting range and had practised firing there the day before the attack. On the day of the rally, he purchased 50 rounds of ammunition and a ladder. He had also visited the rally site a week prior. Most alarmingly, investigators discovered bomb-making materials, including nitromethane, in his vehicle and at his home. His online search history showed research into building explosive devices. This evidence of premeditation contradicted the image of a spontaneous act and pointed towards a more deliberate and disturbing plan to inflict mass casualties.

A Mind in Decline

While a definitive motive remains elusive, evidence points towards Crooks’s deteriorating mental state. His father’s observations of his erratic behaviour and his own depression-related online searches provide a window into his struggles. Yet, this picture was not obvious to everyone. His teachers and classmates described him as quiet and a loner, but not as someone who seemed overtly troubled or dangerous. He had achieved high marks in school, scoring 1530 out of 1600 on his SATs. However, he was reportedly bullied for his style of dress and had been rejected from his school’s rifle team for being a poor and "dangerous" shot. The investigation highlights the tragic difficulty of understanding the complex interplay between mental health issues and the path toward violence.

Thomas

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The Riddle of Political Affiliation

The question of Crooks’s political ideology remains one of the most confusing aspects of the case. He was officially registered as a Republican voter since turning 18. Yet, federal election records show that on the day of President Biden’s inauguration in 2021, he made a $15 donation to ActBlue, a fundraising platform for Democratic and progressive causes. Essays he wrote for his college courses showed frustration with political division in the US. This conflicting evidence makes it difficult to place him neatly on the political spectrum. The FBI has stated that he acted alone and has not been linked to any extremist group, though his online comments showed some extremist themes. This ambiguity suggests his motivations may have been more personal and chaotic than purely ideological.

Trump’s Narrative of Survival

For Donald Trump, the violent incident became a defining moment of his 2024 campaign. Almost immediately, he and his team crafted a powerful narrative of resilience and divine protection. The image of him, bloodied but defiant, with his fist in the air, became a potent symbol used in fundraising and campaign advertisements. He repeatedly told supporters that he had been spared by a higher power to continue his political mission. This message resonated deeply with his base and may have galvanised support at a crucial time. The incident allowed him to portray himself as a victim of the deep political divisions in the country, a narrative that he had cultivated for years. The shooting, in a grim way, provided the ultimate validation for this worldview in the eyes of his supporters.

A Lasting Scar on Butler

For the community of Butler, Pennsylvania, the shooting left a lasting scar. The town was unwillingly thrust into the centre of a global news story, its name forever linked to an act of political violence. Residents had to contend with the immediate trauma of the event and the subsequent media invasion. The Butler County fairgrounds, a place of community gatherings, became the scene of a federal investigation. For a community that found itself at the epicentre of America’s heated political climate, the process of healing would be long. The attack served as a stark reminder of how national divisions can violently erupt in any local community, leaving deep and complex wounds behind.

The Unanswered Questions

A final, comprehensive report on the investigation has not yet been released by the FBI. Despite the exhaustive work of journalists and law enforcement, crucial questions about Thomas Crooks remain. While many details of his life and preparations have been uncovered, his ultimate motive is still subject to speculation. Was it a product of mental illness, political radicalisation, a desire for infamy, or some unknowable combination of factors? Private investigators have even suggested, without providing definitive proof, that Crooks may have had accomplices, a claim the FBI has not substantiated. The full truth of what drove this young man to the rooftop in Butler may never be completely known, leaving a permanent and unsettling void at the heart of this national trauma.

A Portrait of Unravelling

Ultimately, the intensive investigation provides the most detailed depiction to date of Thomas Matthew Crooks and his downward spiral into violence. It is the narrative of a seemingly bright young man whose internal struggles remained largely hidden from the outside world. His path appears to be a toxic combination of social isolation, a decline in mental health, a confusing political identity, and a fascination with firearms and explosives. His actions on that July day were the catastrophic culmination of this unravelling. The attack not only left a man dead and a former president wounded but also deepened the fissures in an already polarised nation, serving as a tragic testament to the devastating potential of a single, troubled individual in a volatile political era.

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