The man charged with allegedly attempting to assassinate President Donald Trump at a White House Correspondents’ Association dinner last month pleaded not guilty at a Monday arraignment in federal court.
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Cole Tomas Allen, 31, wearing an orange shirt and trousers, was handcuffed and shackled as he was brought into the courtroom in D.C. federal court. His handcuffs were attached to a chain around his waist, which clanked as he was led to the defense table.
Speaking on behalf of Allen, federal public defender Tezira Abe said her client “pleads not guilty to all four counts as charged,” including attempting to assassinate the president of the United States, in connection with the April 25 incident at the Washington Hilton Hotel.
Assistant U.S. Attorney Charles Jones advised the court that they plan to start producing their first tranche of discovery to the defense by the end of the week.
Officials said Allen, a California teacher and engineer, was armed with multiple guns, as well as knives, when he sprinted through a security checkpoint near the event where Trump and other White House officials had gathered with journalists.
He was arrested after an exchange of gunfire with a U.S. Secret Service officer who fired at him multiple times. Allen was not shot during the exchange. The officer, who was wearing a ballistic vest, was shot once in the chest, treated at the hospital, and released.
Trump and top members of his Cabinet and Congress were quickly evacuated from the room as others ducked under tables.
Allen was initially charged with attempting to assassinate the president, transportation of a firearm and ammunition through interstate commerce with intent to commit a felony, and discharge of a firearm during a crime of violence. On Tuesday, a federal grand jury indicted him on a new charge in the shooting of a Secret Service agent.
Moments before the attack, Allen had sent his family members a note apologizing and criticizing Trump without mentioning the president by name, according to a transcript of some of his writings provided to NBC News by a senior administration official. Allen also wrote that “administration officials (not including Mr. Patel)” were “targets.”
He also appeared to have taken a selfie in his hotel room. Prosecutors said Allen, who was dressed in a black button-down shirt and black pants, was “wearing a small leather bag consistent in appearance with the ammunition-filled bag later recovered from his person,” as well as a shoulder holster, a sheathed knife, pliers, and wire cutters.
Officials have said they believe Allen had traveled by train from California to Washington, D.C. before checking into the hotel.
Allen’s sister, Avriana Allen, told law enforcement that her brother would make radical comments and constantly referenced a plan to fix the world, but said their parents were unaware that he had firearms in the home and that he would regularly train at shooting ranges.
Records show that he had purchased a Maverick 12-gauge shotgun in August 2025 and an Armscor Precision .38 semi-automatic pistol in October 2023.
After his arrest, Allen told the FBI that he did not expect to survive the incident, according to Assistant U.S. Attorney Jocelyn Ballantine. He was briefly placed on suicide watch at the D.C. jail, where he’s being held.
Allen is expected to appear in court for a June 29 hearing.
At Monday’s arraignment, his legal team said they plan on asking for the “entire office” of the U.S. Attorney for the District of Columbia to be recused because of U.S. Attorney Jeanine Pirro’s apparent involvement in the case in a “supervisory role.” Federal public defender Eugene Ohm said some of the evidence they receive from the government will further inform that decision.
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