Migrants wait outside at an immigration center on the International Bridge 1, in Nuevo Laredo, Mexico, Tuesday, July 16, 2019. A U.S. policy to make asylum seekers wait in Mexico while their cases wind through clogged U.S. immigration courts has also expanded to the violent city of Nuevo Laredo. The group was returned from the U.S. after being detained and will be bused back to the Mexican city of Monterrey. (AP Photo/Marco Ugarte)