Luigi Mangione appears in Manhattan Criminal court for his arraignment on state murder and terror charges in the killing of UnitedHealthcare CEO Brian Thompson, Monday, Dec. 23, 2024, in New York. (Curtis Means/Pool Photo via AP)

Luigie Mangione, center, is escorted into Manhattan Criminal court for his arraignment in the killing of UnitedHealthcare CEO Brian Thompson, Monday, Dec. 23, 2024, in New York. (AP Photo/Seth Wenig)

Karen Friedman Agnifilo, right, attorney for Luigi Mangione, arrives at Manhattan Criminal Court, Monday, Dec. 23, 2024, in New York. (AP Photo/Stefan Jeremiah)

Luigie Mangione is escorted into Manhattan Criminal court for his arraignment in the killing of UnitedHealthcare CEO Brian Thompson, Monday, Dec. 23, 2024, in New York. (AP Photo/Seth Wenig)

Luigi Mangione appears in Manhattan Criminal court for his arraignment on state murder and terror charges in the killing of UnitedHealthcare CEO Brian Thompson, Monday, Dec. 23, 2024, in New York. (Curtis Means/Pool Photo via AP)

Luigie Mangione is escorted into Manhattan Criminal court for his arraignment in the killing of UnitedHealthcare CEO Brian Thompson, Monday, Dec. 23, 2024, in New York. (AP Photo/Seth Wenig)

Luigi Mangione appears in Manhattan Criminal court for his arraignment on state murder and terror charges in the killing of UnitedHealthcare CEO Brian Thompson, Monday, Dec. 23, 2024, in New York. (Curtis Means/Pool Photo via AP)

A demonstrator holds up a sign while waiting for the arrival of Luigi Mangione for his arraignment at Manhattan Criminal Court, Monday, Dec. 23, 2024, in New York. (AP Photo/Stefan Jeremiah)

Luigi Mangione appears in Manhattan Criminal court for his arraignment on state murder and terror charges in the killing of UnitedHealthcare CEO Brian Thompson, Monday, Dec. 23, 2024, in New York. (Curtis Means/Pool Photo via AP)