A 31-year-old California man has been formally charged by the U.S. Department of Justice over an alleged plot to assassinate former President and current sitting U.S. President Donald Trump, an incident that has prompted an official full review of White House security protocols just as King Charles III begins a high-profile state visit to the country.
The suspect, Cole Tomas Allen, appeared before a federal court in Washington, D.C. on Monday to face three criminal counts: attempted assassination of the U.S. president, interstate transportation of a firearm to commit a felony, and discharging a firearm during a violent offense. Allen, who entered no plea during the initial hearing, appeared calm throughout the proceedings, responding politely to all of the judge’s questions with short, formal answers. Court records confirm Allen holds a master’s degree, and reporters in the courtroom noted he closely followed every step of the hearing, with four U.S. marshals positioned around him throughout the appearance. He is scheduled to return for a follow-up hearing on Thursday, and federal prosecutors have requested he remain in pre-trial detention, noting the attempt could be classified as an act of terrorism and that additional charges may be filed as the investigation progresses.
According to official accountings of Saturday night’s incident at the Washington Hilton, the venue for the annual White House Correspondents’ Association dinner, Allen breached a security checkpoint one floor above the ballroom where Trump, Vice President JD Vance, multiple cabinet secretaries and senior White House officials had gathered. Prosecutors confirmed Allen was armed with a semi-automatic handgun, a loaded pump-action shotgun, and three bladed weapons when he rushed past security barriers. Acting Attorney General Todd Blanche told reporters Monday that during the confrontation, a Secret Service agent was struck in the chest, but was protected by a ballistic vest that stopped the bullet. The injured agent returned fire, striking Allen five times without causing life-threatening injury, and the suspect was taken into custody immediately. Blanche confirmed Allen discharged his shotgun at least once during the incident, though investigators have not yet confirmed whether the agent was hit by gunfire from Allen or by accidental crossfire from other responding law enforcement officers. The agent has since been released from hospital, and is being treated for a non-life-threatening knee injury sustained during the encounter.
Court documents outline that Allen traveled cross-country from his Los Angeles-area home specifically to carry out the attack. He left his residence on April 21, took a train to Chicago, and arrived in Washington D.C. three days later, checking into the same Hilton hotel where the dinner was being held. Prosecutors say pre-attack writings Allen sent to his family confirm his intent was not only to kill Trump, but to target as many high-ranking administration officials as possible. Public records also show Allen donated $25 to a Democratic PAC supporting Kamala Harris’s 2024 presidential campaign, he previously studied at the prestigious California Institute of Technology, and was a member of a local Reformed church in Pasadena.
This incident marks the third alleged assassination attempt against Trump in just two years, and it has triggered intense scrutiny of the security arrangements for the event. Questions are being raised about gaps in screening: multiple observers have asked why no attendee ID checks were conducted at the venue, why the entire presidential line of succession was gathered in a single location, and whether the security perimeter around the Washington Hilton was sufficiently robust. Notably, the same hotel was the site of John Hinckley Jr.’s 1981 assassination attempt on then-President Ronald Reagan. In a public statement, hotel management said it strictly followed all security directives issued by the Secret Service, which had lead responsibility for event security, and collaborated fully with local law enforcement and federal security teams.
Defending the response, Blanche pushed back on criticism Monday, saying “law enforcement did not fail” in protecting the president. He emphasized that Allen was stopped one floor away from the dinner venue, with hundreds of armed federal agents already positioned between the suspect and Trump. Senior White House officials say Trump retains full confidence in the Secret Service, the Department of Homeland Security agency tasked with protecting sitting presidents and senior officials. White House Chief of Staff Susie Wiles has called a high-level meeting this week to review existing security protocols and practices for major public events with presidential attendance. White House Press Secretary Karoline Leavitt said Monday that Trump believes existing protocols worked as intended to contain the threat, and blamed the rising tide of political violence on inflammatory rhetoric from Democratic political leaders.
The incident has not disrupted the planned state visit of King Charles III, which began Monday at the White House. Trump has publicly assured the British monarch that all necessary security measures are in place and he will be completely safe during his four-day trip. The annual White House Correspondents’ Association dinner, which was cut short by the security incident, will be rescheduled for a date within the next 30 days, with a completely overhauled security posture. FBI Director Kash Patel told Fox News Monday that investigators and security teams are already preparing for the rescheduled event, and that the agency will be “so ready” for Trump’s attendance. No new date has been announced, as event organizers note planning for the high-profile annual dinner typically takes months of preparation.