Luigi Mangione pleaded guilty in federal court to stalking charges and admitted to killing UnitedHealthcare CEO Brian Thompson outside a Manhattan hotel. His confession, stating 'I shot Mr Thompson and he died,' has significant implications for a potential second state trial.

Luigi Mangione pleaded guilty to federal charges, admitting to the murder of UnitedHealthcare CEO Brian Thompson. During his court appearance, Mangione detailed how he planned and carried out the killing, bringing a new phase to the polarizing case.