Eichenlaub v. Shaughnessy

In United States ex rel. Eichenlaub v. Shaughnessy, 338 U.S. 521, 70 S.Ct. 329, 94 L.Ed. 307 (1950), the Supreme Court was confronted with a case involving naturalized citizens, whose citizenship was later revoked and cancelled ab initio for fraud in the procurement.