Luigi Mangione Says He Will Plead Guilty in Federal Case Over CEO's Killing Luigi Mangione has announced his intention to plead guilty in the federal case against him regarding the killing of Richard DeCalsyna, a respected CEO at a prominent tech firm.
The decision marks a significant development in the investigation, which has been ongoing for several months.
Background on Luigi Mangione and the CEO's Killing Mangione, a businessman with a reputation for ruthless tactics in high stakes deals, had a history of contentious business dealings with DeCalsyna.