Thompson was the chief executive of UnitedHealthcare, the insurance arm of UnitedHealthcare Group Inc. Thompson’s unit is one of the biggest suppliers of health insurance in the United States.

Diary entries written by Luigi Mangione reveal the now 27-year-old’s detailed thinking before the killing of UnitedHealthcare CEO Brian Thompson last year, a new court filing shows.

UnitedHealthcare CEO Brian Thompson was shot to death outside New York City Hilton hotel in a Wednesday morning ambush. Police are searching for the masked gunman, who remains at large.

UnitedHealthcare exec’s killer may have left a message — here’s what we know Investigators discovered the words ‘Deny,’ ‘Defend’ and ‘Depose’ on bullet casings found at the scene ...

Fox News Digital obtained new mugshot photos of Luigi Mangione, the 26-year-old charged with the murder of UnitedHealthcare CEO Brian Thompson in New York City.

Search for UnitedHealthcare CEO killer expands. The search for the man who gunned down UnitedHealthcare CEO Brian Thompson outside a New York City hotel is expanding as police offer a $50,000 and ...

The hostel UnitedHealthcare CEO Brian Thompson's suspected killer slept in was inundated with bad reviews after the fatal shooting — with some calling the boarding house 'narcs' for cooperating ...

The man who gunned down the chief executive of UnitedHealthcare may have been denied health coverage, a former FBI assistant director has said.. Frank Figliuzzi was reacting to the killing of ...

Sen. Elizabeth Warren outrageously sympathized with the killer of former UnitedHealthcare CEO Brian Thompson -- and others who cheered the murderer on -- claiming "people can only be pushed so far ...

The masked killer who targeted UnitedHealthcare CEO Brian Thompson on the streets of New York City on Wednesday is, after more than 48 hours, ... How American health care killed my father.

Thompson was the chief executive of UnitedHealthcare, the insurance arm of UnitedHealthcare Group Inc. (UNH). Thompson's unit is one of the biggest suppliers of health insurance in the United States.