Costello v. United States

The government's first denaturalization complaint against Costello (defendant) was ultimately dismissed by the Supreme Court because it lacked a required affidavit of good cause, a precondition to filing such proceedings, and the district court's resulting dismissal order didn't specify whether it was with or without prejudice; the government then refiled with the required affidavit, obtained denaturalization, and the court of appeals affirmed, prompting a second round of certiorari on whether the first dismissal barred the second suit.