Authorities at the southern border have been arresting, detaining and removing migrants at the border more times in the past year than ever before in U.S. history. Legal battles between mostly GOP-led states, the federal government and civil liberties advocates have delayed the end of Title 42. Migrants swim across the Rio Grande as U.S. border cities brace for an influx of asylum seekers when COVID-era Title 42 migration restrictions are set to end, in Eagle Pass, Texas, on Dec. 18, 2022.