Aurora¡¯s 6-year-old daughter arrived at the U.S. ?border alone and spent more than half a year in a child migrant shelter while her mother, who was already in the country, worked to get her out.

The two were finally reunited in late March.

¡°We were overjoyed,¡± said Aurora, 24, who like others in this story spoke on the condition they be identified only by their first names.