Luigi Mangione is already facing a federal murder trial that could end in a death sentence. Now, his legal team says New York state prosecutors are going too far by trying to convict him again—for the same crime. In a sweeping new motion, his lawyers are demanding the state charges be dropped, citing constitutional violations, “prosecutorial one-upmanship,” and what they call a blatant case of double jeopardy.
See also: Luigi Mangione Pleads Not Guilty in Federal Case Over UnitedHealthcare CEO’s Death
One Crime, Three Courtrooms: Luigi Mangione Challenges Triple Prosecution
In a 57-page motion filed Thursday in New York Supreme Court, Mangione’s attorney, Karen Agnifilo, laid out the case: Mangione is being prosecuted simultaneously in three states—New York, Pennsylvania, and in federal court—all for the December 4 killing of UnitedHealthcare CEO Brian Thompson outside a Midtown Manhattan hotel.
He’s already pleaded not guilty to federal stalking and murder charges. If convicted, he could face the death penalty. Meanwhile, the New York indictment accuses him of first-degree murder in furtherance of terrorism, which carries a life sentence. And in Pennsylvania, where he was arrested, he’s also charged with weapons possession and forgery.
“As a result of unprecedented prosecutorial one-upmanship, Mr. Mangione now faces three simultaneous prosecutions… all for one set of facts,” Agnifilo wrote, warning that the legal pile-on undermines his constitutional protections and amounts to trying him twice for the same crime.
See also: Federal Prosecutors Seek Death Penalty for Luigi Mangione in UnitedHealthcare CEO’s Murder
Challenging the Arrest—and the Evidence
Mangione’s legal team also wants the court to suppress statements he made to law enforcement during his arrest in Pennsylvania. Their argument: officers failed to read him his Miranda rights before questioning him, violating his Fifth Amendment protections.
The motion also seeks to throw out evidence seized during a warrantless search of Mangione’s backpack—conducted after he was already handcuffed and “surrounded by ten police officers.” Agnifilo calls the search a clear violation of his Fourth Amendment rights against unlawful search and seizure.
See also: Luigi Mangione’s Defense Claims Unlawful Search During His Arrest
Terrorism Charges Under Fire
Beyond the procedural issues, Agnifilo is also targeting the substance of the state’s case—specifically, its terrorism charges. She argues that the state failed to prove Mangione had any intent to intimidate or coerce a civilian population, or influence government conduct, as required by New York law.
“The grand jury evidence failed to establish the required element,” the motion states, calling the terrorism-related charges “legally insufficient.”
See also: This Is Luigi Mangione’s Life Inside Prison According To Exclusive Sources
Prosecutors Say They’ll Respond in Court
The Manhattan District Attorney’s office declined to comment on the details of the defense claims but said it would formally respond in a court filing. Mangione is due back in court for a hearing on the state case June 26. The federal trial is currently scheduled for December 5—exactly one year after the fatal shooting.
See also: Supporters Rally as Luigi Mangione Appears in Court
A Legal Tug-of-War with National Stakes
This isn’t just a battle over one defendant—it’s becoming a clash between prosecutors in multiple jurisdictions, each vying for control of the case. In a striking passage, the defense accused New York authorities of “trying to get two bites at the apple” and “methodically and purposefully” trampling Mangione’s rights in the process.
And it’s not just about overlapping charges. Earlier this week, federal prosecutors in New York had to respond to another defense allegation: that they had eavesdropped on a jailhouse phone call between Mangione and his lawyer. The prosecutors denied it, saying they accessed a recorded version of the call—standard practice in detention facilities.
See also: Luigi Mangione’s Legal Defense Fund Approaches $500K
At the center of this is a 26-year-old man accused of killing one of the most powerful healthcare executives in the country. But as Mangione’s legal team fights to get the New York charges thrown out, they’re arguing that the bigger threat isn’t just to their client—but to the Constitution itself.
