Juan Jaime Medina v. Immigration and Naturalization Service

In this appeal from the Board of Immigration Appeals (BIA), Petitioner Juan Jaime Medina appeals his order of deportation for failure to possess valid entry documents under § 241(a)(1) of the Immigration and Nationality Act (INA). 1 Medina insists that the deportation proceedings are barred under the principle of res judicata because his citizenship was conceded by the Immigration and. Nationality Service (INS) and appeal waived in a 1985 exclusion proceeding before an Immigration Judge (IJ). As we agree that res judicata precludes the INS from revisiting a prior adjudication, we vacate…