Luigi Mangione has been charged with multiple counts, including first-degree murder and second-degree murder as an act of terrorism, for the premeditated killing of UnitedHealthcare CEO Brian Thompson. The Manhattan District Attorney and NYPD highlighted the collaborative efforts that led to these charges, emphasizing the use of surveillance and public assistance in capturing Mangione. The case involves the use of a 3D-printed ghost gun, raising concerns about the proliferation of such weapons. Mangione's extradition from Pennsylvania to New York is pending, with hearings scheduled to expedite the process. Authorities are also addressing the online support for Mangione, which they fear could incite further violence.