"I finally feel confident about what I will do," one entry said, according to authorities. "The target is insurance. It checks every box."The defense argued police lacked a warrant, making the search of the backpack illegal.
Mangione is accused of shooting and killing CEO Brian Thompson with a 9 mm handgun equipped with a silencer on a Midtown Manhattan street on Dec. 4, 2024.
A federal grand jury charged Mangione in April with two counts of stalking, firearms offense and murder through the use of a firearm, a charge that makes him eligible for the death penalty, if convicted.
Prosecutors are hoping the judge will set a date for trial.Mangione is also being ordered to appear in a Pennsylvania courtroom regarding those state charges. While he is currently being held in the Metropolitan Detention Center in Brooklyn, the Blair County District Attorney's Office in Pennsylvania wants the accused killer to appear in court for a pretrial motion hearing scheduled for Nov. 7.