Lawyers for Luigi Mangione, the alleged shooter of UnitedHealthcare CEO Brian Thompson , asked to exclude key pieces of evidence, including the possible murder weapon and an apparent manifesto.

Mangione, 27, appeared alongside his attorneys for a pretrial hearing at Manhattan Criminal Court in New York City on Monday.

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Wearing regular clothes instead of his jail uniform, Mangione was inside the courtroom as fans stood outside the courthouse with signs or sashes that said “Free Luigi.”

Prosecutors played surveillance video of Thompson’

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