UnitedHealthcare CEO KilledLuigi Mangione , accused of fatally shooting the UnitedHealthcare CEO Brian Thompson in New York City and leading authorities on a five-day search is scheduled, appears in court for a hearing, Friday, Feb. 21, 2025, in New York. (AP)

A New York federal ‍judge on Friday dismissed murder and weapons ​charges ‌against Luigi Mangione, the alleged killer of UnitedHealthcare CEO ​Brian Thompson, in a major blow ‌to prosecutors and the Donald Trump administration.

US District Judge Margaret Garnett dismissed a federal murder charge against Mangione, finding that it was technically flawed. Garnett left in place stalking charges that carry a maximum punishment of life in prison.