"You know, we don't believe that [Habba] is acting under any legitimate authority at this point. It just seems that to me, at the very least, it's an issue that has to be preserved," defense lawyer Thomas Mirigliano said.

Federal court hearings, grand jury proceedings and plea deals were abruptly canceled in New Jersey over questions about whether Alina Habba, the acting U.S. attorney, was legally appointed.