A U.S. Customs and Border Protection officer watches a group of migrants as they search for a place to...
A U.S. Customs and Border Protection officer watches a group of migrants, part of a caravan from Central America who are seeking asylum, as they search for a place to cross over the U.S. border wall in Tijuana, Mexico December 14, 2018. Picture taken December 14, 2018. REUTERS/Leah Millis