A federal judge in South Florida interrupted and then halted the opening statement of a self-represented defendant Thursday, saying his remarks had "absolutely nothing to do with this case" and warning him not to "make a mockery of the dignity of this courtroom."

Ryan Wesley Routh, 59, was a few minutes into a rambling address to jurors when U.S. District Judge Aileen Cannon cut him off. Routh, who has pleaded not guilty to five charges including attempted assassination, asserted at one point that "this case means absolutely nothing" and made references to prehistoric human history and world leaders including Adolf Hitler, Vladimir Putin and Benjamin Netanyahu before the judge intervened.

Prosecutors say Routh camped in a sniper's nest with an SKS rifle at Trump International West Palm Beach on Sept. 15, 2024, while then-presidential nominee President Donald Trump was golfing, and that a Secret Service agent scouting ahead of the president spotted Routh and fired, prompting the defendant to flee. During opening statements, prosecutor John Shipley told jurors that Routh "wanted to make sure that the people of this country could not elect Donald Trump as president of the United States" and sought to "take the choice away from American voters."

The government called its first witness Thursday, Secret Service Special Agent Robert Fercano, who testified that the situation "appeared to be a textbook ambush scenario." Fercano told jurors he opened fire when he saw Routh and began retreating while firing. The agent's account is central to the prosecution's argument that Routh intended to assassinate the candidate; if convicted, Routh faces up to life in prison.

Routh, described in court filings as a struggling roofing contractor who had been living in Hawaii, chose to represent himself in the proceedings. Cannon repeatedly admonished him for straying from issues relevant to the charges, and told him courtroom rules limited his ability to deliver broad or unrelated political commentary during opening statements.

Defense counsel had not been appointed to replace self-representation by the time of the hearing, and Routh's decision to speak directly to jurors briefly shifted the trial's focus from factual testimony to the courtroom confrontation. After the judge curtailed his remarks, proceedings returned to standard court procedure with the prosecutor presenting the government's case.

The trial opened one day after the assassination of conservative activist Charlie Kirk by a sniper at a Utah university event, an attack that has added national attention and heightened sensitivity to public-figure security and political violence. Court officials and law enforcement have not linked that attack to the West Palm Beach incident; the temporal proximity, however, drew mention in media coverage and underscored the broader context in which the Routh trial is unfolding.

Routh's arraignment charged him with five counts, including attempted assassination of the President of the United States, using and carrying a firearm during a crime of violence, and related weapons offenses. He has entered a not guilty plea. The prosecution's case relies on testimony from Secret Service agents and physical evidence recovered at the scene, while the defense has signaled that Routh will pursue an unorthodox, largely narrative-driven defense under his own advocacy.

Judge Cannon, who presided over the proceedings in Fort Pierce, said she had "limited patience" for testimony or statements that do not bear on the charges and cautioned the defendant that he did not have "unlimited license" to disrupt the court. Jurors were instructed on the law and the need to evaluate only testimony and evidence admitted at trial.

The trial schedule calls for the government to present witnesses over the coming days as it seeks to show Routh's actions were deliberate and intended to prevent voters from choosing a presidential candidate. Defense tactics and what evidence will be contested remain to be seen as the trial moves into witness testimony and cross-examination phases.

Image released by Martin County, Fla., related to the case

Federal prosecutors have emphasized the gravity of the charges and the stakes of an alleged plot to assassinate a presidential candidate, while the courtroom admonitions from Judge Cannon reflected an effort to keep that emphasis on admissible evidence and legally relevant argument. The case will continue with testimony aimed at reconstructing Routh's actions on the day in question and the response by Secret Service personnel who say they thwarted an attack before it could be carried out.