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Luigi Mangione piped up for the first time in court … claiming his case is clearly one of “double jeopardy” since he’s being charged at both the state and federal level — though it appears he’s mistaken.

The alleged murderer appeared in court Friday while his legal team and federal prosecutors argued over a whole host of issues … including whether state or federal prosecutors should get the first crack at him.

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After the judge adjourned the court, officers led Luigi away … and, he said, “One plus one is two, common sense tells you this is double jeopardy.”

Double jeopardy is, by definition, being charged and tried for the same crime twice … for example, if a person is tried for murder and acquitted, they can’t be tried again for murder in that case.

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While Mangione might feel this is double jeopardy because his charges stem from the same allegation — that he fatally shot UnitedHealthcare CEO Brian Thompson in December 2024 — our crack legal team says it’s not double jeopardy, because the charges at the state and federal level are different.

As you know … a judge recently ruled Mangione will not get the death penalty if convicted at the federal level, though he’s still charged with stalking. He faces a murder charge in state court.

Mangione’s federal trial is set to begin in April. The state trial has a start date of June 8.