
Luigi Mangione, the suspect accused of murdering UnitedHealthcare CEO Brian Thompson on Dec. 4 in Manhattan, entered a plea of not guilty in a Manhattan criminal court on Monday morning.
Mangione, 26, faced 11 state charges, including murder in the first degree, murder in the second degree as a crime of terrorism, and multiple weapons charges. If convicted on the most serious charge, he could potentially face life in prison without parole.