The lawyer argued that authorities questioned Mangione without Miranda warning and searched his bag without a warrant.

Attorneys for alleged UnitedHealthCare CEO killer Luigi Mangione have argued that the murder indictment returned against him by a grand jury should be dismissed based on the fact that he faces double jeopardy.

Luigi Mangione's defense team wants the New York state indictment against him thrown out, alleging evidence was illegally obtained, terrorism charges don't apply, and the state and federal prosecutions violate the double jeopardy clause.