Mangione pleads guilty to federal stalking, state murder trial delayed
Mangione pleads guilty to federal stalking; state murder trial postponed pending double jeopardy review.
Event / Security
Brian Thompson Murder Investigation
Investigation into the December 2024 killing of UnitedHealthcare CEO Brian Thompson in Manhattan. Luigi Mangione was arrested in Pennsylvania in connection with the case, charged with federal stalking and second-degree murder.
3 reported locations
Daily activity
2 articles0 articles
2026-10-03 to 2026-10-31 · UTC publication dates
Coverage begins 3 Oct, 01:48 UTC
Follow the documented timeline or explore the related reporting.
What happened
Police find firearm and silencer during arrest of Luigi Mangione
During the arrest and subsequent search, police recovered a handgun, a silencer, gun magazines, a Faraday bag containing a cellphone, a journal with handwritten notes, and other items. The gun magazine was initially found in Mangione's backpack at the McDonald's, while additional items including the firearm and silencer were discovered at the police station.
UnitedHealthcare CEO Brian Thompson shot and killed in Manhattan
Brian Thompson, 50, CEO of UnitedHealthcare, was shot in the back on December 4, 2024, as he headed to a UnitedHealthcare investor conference in Manhattan. Security video shows the shooter approaching him from behind and opening fire. Thompson was pronounced dead at a hospital.
Luigi Mangione pleads guilty to federal stalking charges
Luigi Mangione pleaded guilty to federal stalking charges in August 2026. In his statement to court, he admitted to posing as a potential investor managing over $50 billion in assets and emailing UnitedHealthcare executives to confirm the location of the investors conference to track Brian Thompson's whereabouts.
Luigi Mangione's state murder trial postponed pending double jeopardy ruling
Luigi Mangione's state trial, which includes a second-degree murder charge, was scheduled to begin in September 2026 but was postponed by a judge. The delay was granted to allow prosecutors time to respond to a double jeopardy motion filed by Mangione's defense attorneys, who argue that state charges should be dismissed because he already pleaded guilty to federal charges.
Luigi Mangione arrested for UnitedHealthcare CEO killing
Luigi Mangione was arrested at a McDonald's in Altoona, Pennsylvania, five days after the shooting of UnitedHealthcare CEO Brian Thompson on December 9, 2024. He was recognized from photos released by police and was taken into custody.
Luigi Mangione admits traveling to New York with intent to kill CEO
Luigi Mangione stated to the court that he traveled to New York with the intent to shoot Brian Thompson. He said he was motivated to commit the killing because of his personal experience with the healthcare system as a patient with a back injury.
Read the coverage
2 alternative perspectives
Suspect arrested with firearm after CEO's killing
Suspect arrested with firearm; admits traveling to New York to kill CEO.