Neama Rahmani told Newsweek that jurors may be swayed by an outpouring of public sympathy for Mangione, who is accused of gunning down the CEO of medical insurance company UnitedHealthcare. Newsweek sought email comment from Mangione's attorney, Thomas Dickey, on Thursday.

As the suspect in the shooting of UnitedHealthCare's CEO waits in a century-old PA jail, a Manhattan grand jury and two governors are poised to act.

"He has constitutional rights and that's what he's doing" in challenging the interstate transfer, his attorney, Thomas Dickey, told reporters in Pennsylvania.