Luigi Mangione pleads not guilty in UnitedHealthcare CEO murder case; prosecutors seek death penalty.

Luigi Mangione, the defendant in the federal murder case involving UnitedHealthcare CEO Brian Thompson, has entered a plea of not guilty. Prosecutors are pushing for

Luigi Mangione, the defendant in the federal murder case involving UnitedHealthcare CEO Brian Thompson, has entered a plea of not guilty. Prosecutors are pushing for the death penalty in what they believe to be a politically motivated assassination. The courtroom was filled with spectators, among them activist Chelsea Manning, as Mangione's legal representatives criticized the Attorney General's statements as biased.