Lawyers for Mangione argue the state murder case should be dismissed since he can’t be tried twice for the same crime.Luigi Mangione speaks with attorney Jacob Kaplan, left, during a pretrial hearing at New York State Supreme Court in New York, on Tuesday.Barry Williams / New York Daily News / Bloomberg via Getty ImagesAug. 14, 2026, 7:48 PM EDTBy Shayna Jacobs, Laura Italiano, Adam Reiss and Chloe AtkinsLuigi Mangione’s guilty plea on federal stalking charges Friday set off a legal battle to determine if the admitted killer can still be tried and convicted of murder in state court.Just a moment.We are getting your experience ready.