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Viral Vengeance: The 3‑D‑Printed Gun That Killed a Healthcare CEO

A 28‑year‑old turned killer used a homemade gun to shoot UnitedHealthcare boss Brian Thompson. Get the full story in 60 seconds.

Source: bbc.co.uk1 min read

In brief

Luigi Mangione, 28, told Manhattan court he shot UnitedHealthcare CEO Brian Thompson on Dec. 4, 2024, using a 3‑D‑printed handgun with a silencer. He pleaded guilty to federal interstate stalking that caused death and faces a life sentence. The case raises questions about double‑jeopardy and federal‑state cooperation. Prosecutors warn of 24‑30 years in prison and no parole, while a family statement calls for justice. The story captures the ripple of gun‑violence and tech‑driven crime in the U.S.

When Luigi Mangione walked out of a Manhattan hotel, a knife‑cut gun was in his pocket. On Dec. 4, 2024 he stepped behind UnitedHealthcare’s 50‑year‑old CEO, Brian Thompson, and fired a bullet that ended Thompson’s life.

Mangione, who keeps a 3‑D‑printed handgun with a silencer, has now pleaded guilty to the federal charge of interstate stalking that resulted in death. In front of a judge, he told the court: “I shot Mr. Thompson in Manhattan and he died.”

The CEO was a father of two. His family announced the plea held “an important step toward justice”, looking toward a federal sentence set for December 18.

Meanwhile, New York state prosecutors still plan to move ahead with 8 charges, including second‑degree murder and weapons counts. Lawyers argue that Mangione’s federal plea creates a double‑jeopardy problem, but the district attorney says it will pursue state justice “to ensure the sentence reflects the severity of this crime.”

The case is a stark reminder how tech‑enabled weapons can cross borders, how the judiciary balances federal and state crime, and why gun‑violence stories keep going viral.

Mangione in court
Courtroom sketch

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