New court filings are casting doubt on key forensic evidence in the murder case of Charlie Kirk.
Tyler Robinson, 22, is facing capital murder charges after the fatal shooting at Utah Valley University on September 10. However, his defense claims the fatal bullet cannot be definitively linked to the rifle prosecutors say he used.
Investigators allege Robinson carried out the shooting from about 410 feet away before fleeing. He later turned himself in after a 36-hour manhunt.
According to court documents, Robinson allegedly sent messages discussing attempts to recover and hide the weapon. He was identified after his father recognized the rifle and alerted authorities.
The defense now argues that forensic analysis by the ATF failed to match the bullet to the suspected firearm and says DNA evidence is complex, involving multiple contributors.
Attorneys are seeking to delay the preliminary hearing to review thousands of files and consult experts. Robinson is scheduled to appear in court on April 17.
