A handwritten manifesto allegedly penned by Luigi Mangione, the suspect in the assassination-style killing of UnitedHealthcare CEO Brian Thompson, has been obtained and published by journalist Ken Klippenstein.
Mangione was arrested in Altoona, Pennsylvania, on Monday, found in possession of a 3D-printed gun, ammunition, and fake IDs.
In the manifesto, Mangione claims he acted alone, stating, “I wasn’t working with anyone,” and justifying his actions by citing grievances with the American healthcare system.
He criticized the system as the “most expensive” globally while pointing out the U.S. ranks 42nd in life expectancy. Mangione specifically targeted UnitedHealthcare, the largest private insurer in the U.S., asserting it symbolizes the industry’s greed and corruption.
Mangione’s writings provide insight into his motives, condemning what he sees as unchecked power and profit-driven practices in healthcare. The manifesto reads in part:
“To the Feds, I’ll keep this short, because I do respect what you do for our country. To save you a lengthy investigation, I state plainly that I wasn’t working with anyone. This was fairly trivial: some elementary social engineering, basic CAD, a lot of patience.
“I do apologize for any strife or traumas, but it had to be