Luigi Mangione withdraws plans to use psychiatric defense in state murder case

Attorneys for Luigi Mangione are withdrawing his psychiatric defense in the state murder trial in the killing of UnitedHealthcare CEO Brian Thompson , documents filed Thursday show.

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The development comes one day after a judge said that the defense team was planning to argue that Mangione was experiencing an extreme emotional disturbance at the time of the killing.

Mangione faces nine felony charges, including second-degree murder, in connection with the fatal shooting of Thompson outside an annual investor conference in Manhattan on Dec. 4, 2024.

Mangione also faces federal stalking charges and has pleaded not guilty.