Luigi Mangione is expected to plead guilty as early as Friday in the federal case accusing him of stalking and killing UnitedHealthcare CEO Brian Thompson, a stunning development in a case that rattled business leaders while galvanizing their critics, according to a person familiar with the matter.

Rumors of plea deal in federal case have been circulating since June for suspect accused of killing Brian Thompson

The guilty plea won’t necessarily get him out of his separate state trial next month.