Overview

• Excerpts from a red notebook show Mangione mapped out the ambush of CEO Brian Thompson at UnitedHealthcare’s annual investors conference.
• Diary entries from August to October 2024 describe the health insurance industry as a “greed-fueled cartel” and justify a “targeted” killing to avoid harming bystanders.
• Mangione, 27, has pleaded not guilty to state murder and federal terrorism charges, and federal prosecutors are seeking the death penalty.
• UnitedHealthcare has boosted security and removed executive headshots online after threats against health insurance employees surged.
• Supporters frustrated with rising health costs have raised over $1 million for Mangione’s legal defense, highlighting deep public divisions over corporate healthcare.