Chris the 4th asked:
Operation Wet back was a 1954 operation by the United States Immigration and Naturalization Service (INS) to remove about one million illegal immigrants from the southwestern United States, focusing on Mexican nationals[1].
Operation Wet back was a 1954 operation by the United States Immigration and Naturalization Service (INS) to remove about one million illegal immigrants from the southwestern United States, focusing on Mexican nationals[1].