The man accused of killing UnitedHealthcare CEO appears in court for the first time since his arraignment on state murder and terrorism charges.

Luigi Mangione was in a Manhattan court Friday for charges related to the December killing of UnitedHealthcare CEO Brian Thompson, a case that has gained national attention. As Mangione’s trial looms,

Mangione's supporters started lining up outside the courthouse around 4 a.m., hoping to get a seat for his afternoon pre-trial hearing.