Luigi Mangione, 27, currently detained at MDC Brooklyn on murder charges, released a personal “27 Things I’m Grateful For” ...

Luigi Mangione pleaded not guilty Friday to a federal murder charge in the killing of UnitedHealthcare CEO Brian Thompson as prosecutors formally declared their intent to seek the death penalty ...

The 27-year-old has asked to be allowed to sit at the defense table unshackled and in 'court appropriate clothing without a bulletproof vest' at his June 26 hearing.