TOPSHOT - After being apprehended by Border Patrol, illegal immigrants wait to be transported to a central processing center shortly after they crossed the border from Mexico into the United States on Monday, March 26, 2018 in the Rio Grande Valley Sector near McAllen, Texas. - An estimated 11 million undocumented immigrants live in the United States, many of them Mexicans or from other Latin American countries. (Photo by Loren ELLIOTT / AFP)        (Photo credit should read LOREN ELLIOTT/AFP/Getty Images)