UnitedHealthcare CEO Brian Thompson’s alleged killer, Luigi Mangione, is pursuing a psychiatric defence in his ongoing state murder trial, according to reporting from multiple outlets. His legal team plans to argue that at the time of Thompson’s killing he was suffering from “extreme emotional disturbance.” Both sources describe the same central element of the defence strategy: Mangione’s attorneys are raising a mental state argument in court as part of his response to the murder charges. The outlets do not report additional details of how the defence will be presented, such as specific psychiatric evaluations or expert witnesses. The articles also do not indicate whether prosecutors contest the claim, or whether the trial has reached a stage where psychiatric evidence has been formally introduced. Overall, the coverage is focused on the legal approach being taken by Mangione’s lawyers, framing the defence as a claim about his emotional and mental condition at the time of the killing.