Luigi Mangione pleaded guilty Friday to two federal stalking counts in connection with the killing of UnitedHealthcare CEO Brian Thompson.
Attorneys for Luigi Mangione plan to present an "affirmative psychiatric defense" at his state trial, alleging he was suffering an "extreme emotional disturbance."
Luigi Mangione's next courtroom appearance in New York for his state murder case was pushed back one day due to a paperwork filing delay.
The judge overseeing the case of accused CEO killer Luigi Mangione issued a critical ruling on what evidence and testimony prosecutors can use during his trial.
The move follows a decision by a different judge, made on Wednesday, to push his state trial to September 8.
Luigi Mangione's state trial was pushed back on Wednesday from June to September, hours after his federal trial was pushed back from September to October.