The top charge in the newly unsealed federal complaint alleges Mangione used a firearm to commit murder.

His appearance before U.S. Magistrate Judge Katharine H. Parker lasted all of 15 minutes.

The theory of the murder charge of the Manhattan DA case is terrorism and intimidating a group of people.

Luigi Mangione Faces Federal Murder, Stalking Charges Over CEO Killing

Luigi Mangione, suspect in the killing of UnitedHealthcare CEO Brian Thompson, departs after a hearing at Blair County Courthouse on Dec. 19, 2024 in Hollidaysburg, PA.Gene J. Puskar-Pool/Getty Images

This is stalking an individual.

Federal officials saw no issue as they announced the charges Thursday.

Kim alleged the murder was a grossly misguided attempt to broadcast Mangiones views across the country.

I wasnt working with anyone.

It continued, P.S.

you’ve got the option to check serial numbers to verify this is all self-funded.

My own ATM withdrawals.

Other images allegedly show the shooter fleeing the scene on an e-bike headed toward Central Park.