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

Luigi Mangione is due in a New York courtroom to face state charges in the murder of UnitedHealthcare CEO Brian Thompson.

Luigi Mangione pleaded not guilty to New York State charges in the killing of UnitedHealthcare CEO Brian Thompson on Monday.

The Ivy League-educated suspect is accused of gunning down UnitedHealthcare CEO Brian Thompson on a midtown Manhattan ...

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

Luigi Mangione is scheduled to be arraigned on Monday in New York City on murder and terror charges in the killing of UnitedHealthcare CEO Brian Thompson.

Luigi Mangione appeared in a Manhattan courthouse Monday morning where he pleaded not guilty to state charges in the killing ...

Luigi Mangione, the suspect in the shooting death of UnitedHealthcare CEO Brian Thompson, pleaded not guilty to state murder ...