Investigation Discovery will premiere its documentary, "Who Is Luigi Mangione?" on Monday, Feb. 17, 2025. In this file photo, Mangione, charged in the fatal shooting of UnitedHealthcare CEO Brian Thompson, is escorted by police, Thursday, Dec. 19, 2024, in New York. AP

Luigi Mangione is suspected of killing Brian Thompson, the CEO of UnitedHealthcare, on December 4, 2024. Thompson was shot outside a Manhattan hotel during a company event. After a manhunt, Mangione was arrested on December 9.

A new documentary set for release later this month seeks to shed new light on the psyche of Luigi Mangione, the suspected killer in the assassination of United Healthcare’s CEO Brian Thompson. The new hour-long doc from Investigation Discovery will feature interviews from some who knew Mangione personally,