The killing of UnitedHealthcare CEO Brian Thompson was condemned by public officials but became emblematic of Americans' frustration with health insurance industry practices.

Mangione is due in federal court on Friday for a hastily scheduled hearing

A trial for Mangione’s state case in connection with the killing of UnitedHealthcare CEO is set to begin next month.

Luigi Mangione plans to plead guilty in the federal case concerning Brian Thompson's death. This plea could avert a federal trial and potentially dismiss state murder charges.…