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.Subscribe to read this story ad-free Get unlimited access to ad-free articles and exclusive content.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 eight 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.This is a developing story. Please check back for updates.Chloe Atkins reports for the Jattvibe News National Security and Law Unit, based in New York.Tim Stelloh is a breaking news reporter for Jattvibe News Digital.