Luigi Mangione, accused of murdering UnitedHealthcare CEO Brian Thompson in December, has issued his first public statement from Brooklyn's Metropolitan Detention Center. His legal defense fund has received $400,000 from more than 10,000 supporters. The 26-year-old Ivy League graduate is facing charges of terrorism and murder for allegedly using an untraceable gun to shoot Thompson. His upcoming court appearance is set for February 21, with the potential for the death penalty if found guilty.