A federal case is unfolding with Luigi Mangione expected to enter a guilty plea. He faces charges related to the death of a CEO. Mangione's plea is anticipated to occur on Friday, according to sources with knowledge of the matter.

The charges against him involve stalking and murder. Further details about the case, including the specific circumstances surrounding the charges, are available from ABC News, the source of this information. The case involves the death of United Healthcare CEO Brian Thompson.