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What the Judge’s Evidentiary Ruling Means for the Case Against Luigi Mangione

The ruling lets prosecutors use the alleged murder weapon and notebook, while excluding some backpack items and narrowing Mangione’s defense options.

  • On Monday, New York Judge Gregory Carro ruled prosecutors may present a 3D-printed 9mm gun and a journal found in Luigi Mangione's backpack at trial, while barring items seized during an initial improper search.
  • The split decision follows a nine-day suppression hearing held last year, where defense attorneys argued Altoona Police illegally searched Mangione's bag; the judge permitted findings from the later station search.
  • Prosecutors allege the 9mm firearm matches shell casings found at the scene, while the journal contains writings expressing animosity toward the healthcare industry. Steve Wasserman, an adjunct professor, called the weapon "very critical," as it could remove doubt for some jurors.
  • Legal experts suggest the admitted evidence narrows Mangione's defense options, likely forcing a psychiatric strategy. Former prosecutor Gary Galperin, who spent over 40 years in the Manhattan District Attorney's office, said suppressing these items "would make for a very different case."
  • The New York state case is slated for trial in September, with Mangione facing second-degree murder and weapons charges. Prosecutors cannot show a cellphone, passport, or wallet found in a Faraday bag, but may present other electronic evidence.
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A gun, a notebook, and Luigi Mangione’s alleged statements: Breaking down a key ruling in his murder trial

Crucial evidence will be admitted in Luigi Mangione’s New York state case, paving the way for a strong prosecution, experts say, and raising questions about his defense.

·Atlanta, United States
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The Western Journal broke the news in Phoenix, United States on Saturday, May 23, 2026.
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