Mangione, 28, had previously pleaded not guilty in April 2025 to murder, weapons, and stalking charges brought by Manhattan federal prosecutors.

A trial for Mangione’s state case in connection with the killing of UnitedHealthcare CEO is set to begin next month.

Luigi Mangione is separately charged in New York state court with murdering UnitedHealthcare CEO Brian Thompson in December 2024.

Mangione faces two charges of stalking resulting in death in federal court