Migrant Families Were Confused When U.S. Expelled Children Into Mexico

Eva Acuña spoke with her teenage sister Esther by phone early on the morning of Aug. 15, about an hour before Esther planned to enter the United States near the Mexican city of Ciudad Juarez and ask for asylum -- the end of a long journey from Esther's home in El Salvador.Acuña, a legal permanent resident in the United States, expected to hear next from U.S. immigration authorities about her sister's status. But instead, about eight hours later, she received a call from authorities