'Are you the mother?' A woman's search for baby taken by U.S. immigration

Now nearly 20 months old, Mateo was returned to his family on Feb. 8 after a battle across borders, officialdom and languages.Months later, the boy still screeches even as Caceres rocks him on her chest, sometimes until dawn.The Salvadoran family's story of struggle in U.S. immigration detention presaged what was to come: Trump's "zero tolerance" policy that led to more than 2,300 migrant children being separated from parents in recent weeks.