PHOTOS: Migrant caravan makes way to U.S-Mexico border TIJUANA, MEXICO - APRIL 29: Members of a caravan of Central Americans who spent weeks traveling across Mexico walk from Mexico to the U.S. side of the border to ask authorities for asylum on April 29, 2018 in Tijuana, Baja California Norte, Mexico. More than 300 immigrants, the remnants of a caravan of Central Americans that journeyed across Mexico to ask for asylum in the United States, have reached the border to apply for legal entry. (Photo by David McNew/Getty Images)Photo by: David McNew PHOTOS: Migrant caravan makes way to U.S-Mexico border TIJUANA, MEXICO - APRIL 29: Members of a caravan of Central Americans who spent weeks traveling across Mexico walk from Mexico to the U.S. side of the border to ask authorities for asylum on April 29, 2018 in Tijuana, Baja California Norte, Mexico. More than 300 immigrants, the remnants of a caravan of Central Americans that journeyed across Mexico to ask for asylum in the United States, have reached the border to apply for legal entry. (Photo by David McNew/Getty Images)Photo by: David McNew PHOTOS: Migrant caravan makes way to U.S-Mexico border TIJUANA, MEXICO - APRIL 29: Members of a caravan of Central Americans who spent weeks traveling across Mexico walk from Mexico to the U.S. side of the border to ask authorities for asylum on April 29, 2018 in Tijuana, Baja California Norte, Mexico. More than 300 immigrants, the remnants of a caravan of Central Americans that journeyed across Mexico to ask for asylum in the United States, have reached the border to apply for legal entry. (Photo by David McNew/Getty Images)Photo by: David McNew PHOTOS: Migrant caravan makes way to U.S-Mexico border TIJUANA, MEXICO - APRIL 29: Members of a caravan of Central Americans who spent weeks traveling across Mexico wait to walk from Mexico onto the U.S. side of the border to ask authorities for asylum on April 29, 2018 in Tijuana, Baja California Norte, Mexico. More than 300 immigrants, the remnants of a caravan of Central Americans that journeyed across Mexico to ask for asylum in the United States, have reached the border to apply for legal entry. (Photo by David McNew/Getty Images)Photo by: David McNew PHOTOS: Migrant caravan makes way to U.S-Mexico border TIJUANA, MEXICO - APRIL 29: Members of a caravan of Central Americans who spent weeks traveling across Mexico walk from Mexico to the U.S. side of the border to ask authorities for asylum on April 29, 2018 in Tijuana, Baja California Norte, Mexico. More than 300 immigrants, the remnants of a caravan of Central Americans that journeyed across Mexico to ask for asylum in the United States, have reached the border to apply for legal entry. (Photo by David McNew/Getty Images)Photo by: David McNew PHOTOS: Migrant caravan makes way to U.S-Mexico border TIJUANA, MEXICO - APRIL 29: Members of a caravan of Central Americans who spent weeks traveling across Mexico wait to walk from Mexico onto the U.S. side of the border to ask authorities for asylum on April 29, 2018 in Tijuana, Baja California Norte, Mexico. More than 300 immigrants, the remnants of a caravan of Central Americans that journeyed across Mexico to ask for asylum in the United States, have reached the border to apply for legal entry. (Photo by David McNew/Getty Images)Photo by: David McNew PHOTOS: Migrant caravan makes way to U.S-Mexico border Photo by: CNN