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The Mary Sue
The Mary Sue
Terrina Jairaj

Judge Lets Jury See the Gun and Notebook in Luigi Mangione’s Murder Trial but the Feds Just Lost Their Biggest Bargaining Chip

Judge Gregory Carro just handed prosecutors a massive win in the Luigi Mangione murder trial. On May 18, 2026, the Manhattan judge ruled that the 3D-printed handgun and a notebook filled with what prosecutors call a murder manifesto can be shown to the jury when the trial starts on September 8. This decision strips Mangione of a key defense argument and could make it much harder for him to avoid a life sentence.

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