The high-profile defendant appeared to not have family in the courtroom. But about two dozen women, who waited in line in the frigid cold for public seats in the courtroom gallery, said they were there to support Mangione. Most of the women wore face masks and a few appeared visibly emotional as Mangione entered the courtroom.

A crowd of people, many supporters, flocked to a New York City courthouse, where Luigi Mangione pleaded not guilty to charges of first-degree murder and terrorism in the death of UnitedHealthcare CEO Brian Thompson.

Luigi Mangione pleaded not guilty in a New York court to charges connected to the murder of UnitedHealthcare CEO Brian Thompson. CBS News' Lilia Luciano reports. Also, CBS News legal contributor Jessica Levinson has more on the case's latest turns.