One year after prosecutors say Luigi Mangione brazenly assassinated UnitedHealthcare CEO Brian Thompson in midtown Manhattan, the 27-year-old is due in court for a multi-day hearing that could determine the balance of evidence in his state murder trial. Mangione’s attorneys are trying to limit prosecutors from using key evidence -- including a 3D-printed gun and purported journal writings -- police say they obtained when they arrested him in Pennsylvania last year. Though no trial date has been set for either Mangione’s state or federal criminal cases, the outcome of this week’s hearing will determine the shape of the case Mangione and his lawyers will face at trial. If they succeed in limiting key evidence, prosecutors could lose the ability to use Mangione’s writings -- which prosecutors

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