President Trump declared an emergency at the southern border, and as a result, there have already been many changes to policy. At the Texas Capitol, a fight is brewing between Democrats and most Republicans after lawmakers proposed spending $1 billion on a school choice program that would give taxpayer money to students so they can attend public school.

Preview for 'Postcards from the Border,' an Austin show that combines music, photography and stories about Texas-Mexico border

Castro was one of tens of thousands of migrants across Mexico with appointments to apply for U.S. asylum at the border scheduled out through February until President Donald Trump took office and issued a series of executive orders to beef up border security and slash migration.