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In a dramatic turn for one of the most high-profile murder cases in recent American history, defense attorneys for Tyler Robinson, the man accused of assassinating conservative activist Charlie Kirk, claim that federal ballistics tests have failed to link the fatal bullet to the weapon recovered at the scene.
According to court documents, a report from the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) was “unable to identify the bullet recovered at autopsy to the rifle allegedly tied to Mr. Robinson.” The defense is now using this forensic discrepancy to push for a delay in the preliminary hearing, which was originally scheduled for May.
Charlie Kirk, the 31-year-old founder of Turning Point USA, was shot on September 10, 2025, during a speaking engagement at Utah Valley University in Orem. The assassination of the prominent MAGA ally sparked national outrage and led to the swift arrest of Robinson, a 22-year-old who prosecutors allege targeted Kirk over political grievances.
In the new filings, Robinson’s legal team argues that the ATF’s summary report provides critical exculpatory evidence. While the prosecution has previously cited DNA evidence found on the rifle’s trigger and cartridge casings, the defense maintains that the ballistics “mismatch” creates significant reasonable doubt. “The defense may very well decide to offer the testimony of the ATF firearm analyst as exculpatory evidence,” the motion states, noting that forensic ballistics are often considered the “fingerprint” of a shooting investigation.
Prosecutors, who are seeking the death penalty for Robinson on charges of aggravated murder, have downplayed the ATF report. They contend that the sheer volume of other evidence including surveillance footage, witness testimony, and alleged text messages from Robinson stating he “had had enough” of Kirk is more than sufficient to proceed to trial. The FBI is reportedly conducting additional, more sensitive testing on the bullet fragments to provide further clarity.
The case has been further complicated by the massive scale of discovery. Robinson’s lawyers claim they are “drowning” in over 20,000 files, including 700 hours of video and 61,500 pages of documents, making a May hearing impossible.
As the legal battle intensifies, Kirk’s widow, Erika Kirk, was recently appointed by Donald Trump to a key advisory board for the U.S. Air Force Academy, filling the seat once held by her husband. Robinson is scheduled to return to court on April 17, 2026, for a hearing regarding the defense’s motion to televise the trial.
