Support WBURWhy A Single Question Decides The Fates Of Central American MigrantsEyder PeraltaFebruary 25, 2016 ShareAlfredo Trejo, 18, came to the U.S. from El Salvador in 2014 as an unaccompanied minor and now lives with his aunt in Virginia. He applied for asylum, and, like many others, he says he fled persecution from gang members in San Salvador. (NPR)