Kyrsten Sinema challenges Karine Jean-Pierre on southern border security: "Anyone with eyes can see it" Joaquín Núñez
More than 80 illegal immigrants considered terrorists have been arrested at the border this fiscal year Alejandro Baños
Immigration at the southern border soared again in March after a drop at the start of the year Santiago Ospital
Border crisis: three children abandoned by smugglers found on the banks of the Rio Grande Verónica Silveri Pazos
Video: A stampede of illegal immigrants trying to force their way into the U.S. Verónica Silveri Pazos
More than 355,000 illegal immigrants have been apprehended since Operation Lone Star was launched two years ago Alejandro Baños