Mangione's initial appearance in New York's state trial court was preempted by federal prosecutors bringing their own charges ...

Luigi Mangione pleaded not guilty to first-degree murder and terror offenses in Manhattan Supreme Court Monday stemming from ...

Luigi Mangione, the suspect in UnitedHealthcare CEO Brian Thompson's killing, entered a not-guilty plea at his arraignment on ...

As investigators continue probing the United Healthcare CEO killing, there is concern among about the long-term impacts the ...

Luigi Mangione pleaded not guilty Monday to New York state charges in the killing of UnitedHealthcare CEO Brian Thompson, as ...

As investigators continue probing the United Healthcare CEO killing, there is concern among about the long-term impacts the ...

Mangione's hearing on state charges comes days after his dramatic return to New York to face federal counts in the slaying of ...

The Manhattan district attorney formally charged him last week with multiple counts of murder, including murder as an act of ...

The man charged with gunning down United Healthcare’s CEO outside a Manhattan hotel is now in a federal jail after being ...