What to know about Luigi Mangione’s guilty plea in killing of UnitedHealthcare CEO Brian Thompson

Luigi Mangione pleaded guilty in Manhattan federal court to stalking charges after admitting that he targeted and killed UnitedHealthcare CEO Brian Thompson during a 2024 visit. Following his plea, his lawyers filed paperwork seeking to dismiss the parallel state murder case on double jeopardy grounds. Prosecutors plan to seek a life sentence, citing evidence including video footage, DNA, fingerprints, and a recovered pistol.