Luigi Mangione has been charged with first-degree murder and second-degree murder, including an act of terrorism, for the premeditated shooting of Brian Thompson, CEO of UnitedHealth. The incident occurred in a busy area of New York City, causing widespread fear and disruption. The investigation was a collaborative effort involving the Manhattan District Attorney's Office, NYPD, and other agencies. Mangione used a 3D-printed ghost gun, highlighting the growing issue of untraceable firearms. He was apprehended in Pennsylvania after being spotted by a McDonald's employee. The case underscores the importance of public cooperation in law enforcement efforts. The maximum penalty for the charges is life without parole, and additional charges include criminal possession of weapons and a forged instrument. The extradition process is underway to bring Mangione back to New York for trial.