Luigi Mangione is an American former data engineer and Ivy League graduate accused of fatally shooting UnitedHealthcare CEO Brian Thompson in Manhattan in December 2024. He gained international public attention for the brazen nature of the killing, his wealthy Maryland family background, and the mixed public reactions that have turned him into a polarizing figure ahead of his September 2026 trial.
Quick Facts
Full Name: Luigi Nicholas Mangione
Age: 28 (born May 6, 1998)
Nationality: American
Occupation: Former Data Engineer (TrueCar, 2020–2023)
Known For: Accused shooter of UnitedHealthcare CEO Brian Thompson
Marital Status: Single
Children: None
Early Life and Background
Mangione was born in Towson, Maryland, to a prominent Italian-American family . His grandfather, Nicholas Mangione, built a real estate empire that included country clubs, nursing homes, and a conservative radio station . He attended the Gilman School, an elite all-boys private school in Baltimore, where he was valedictorian of his 2016 class . His valedictorian speech focused on the impact of artificial intelligence and technology on society .
He earned both a bachelor’s and master’s degree in computer science from the University of Pennsylvania in 2020, where he also founded a video game development club . While studying, he completed internships at Johns Hopkins University and worked as a UI programmer on the video game Civilization VI at Firaxis Games .
After graduation, he worked remotely as a data engineer for TrueCar before leaving his job at the end of February 2023, telling a former classmate that “data engineering paid super well but was mind-numbingly boring” .
Major Event and Legal Proceedings
On December 4, 2024, Brian Thompson, the CEO of UnitedHealthcare, was shot and killed outside the New York Hilton Midtown hotel as he walked to his company’s annual investor conference . Surveillance footage showed a masked gunman emerging from between parked cars and firing from behind . Shell casings found at the scene bore the words “deny,” “delay,” and “depose” — a phrase mimicking tactics used by insurance companies to reject claims .
After a five-day manhunt, Mangione was arrested at a McDonald’s in Altoona, Pennsylvania, on December 9, 2024 . A customer recognized him from surveillance photos and alerted an employee, who called 911 . Police found him with a 3D-printed pistol, a silencer, multiple fake IDs, and a handwritten three-page document that included the line: “Frankly, these parasites simply had it coming” .
Career (Pre-Arrest)
Before his arrest, Mangione had a conventional technology career. He worked as a data engineer at TrueCar from November 2020 until February 2023, when he left to focus on travel, reading, and yoga . He lived in a coliving surfing community in Hawaii called Surfbreak, where he was known as a quiet, bookish member who started a book club that read Ted Kaczynski’s manifesto, which he later rated four stars on Goodreads .
Why He Is In the News
Mangione is back in the news after a May 18, 2026, ruling from Manhattan Supreme Court Justice Gregory Carro . The judge ruled that the 3D-printed gun and notebook — which prosecutors have described as a manifesto decrying America’s “parasitic” insurance industry — will be allowed as evidence at his state murder trial, scheduled to begin September 8, 2026 . However, the judge suppressed other evidence found at the McDonald’s, including a magazine, cellphone, passport, wallet, and computer chip, ruling that the warrantless search at the restaurant violated Mangione’s rights . Mangione faces second-degree murder charges and could receive 25 years to life if convicted .
Conclusion
Luigi Mangione is a former Ivy League computer scientist from a wealthy Maryland family who traded a promising career for an alleged act of political violence. As his September 2026 trial approaches, the key evidentiary ruling allowing the gun and notebook ensures jurors will see the most damning pieces of evidence against him. He remains incarcerated at the Metropolitan Detention Center in Brooklyn, having pleaded not guilty to all charges.
