What we know: Family separation and 'zero tolerance' at the border

Detained migrant children play soccer at a newly constructed tent encampment as seen through a border fence near the U.S. Customs and Border Protection port of entry in Tornillo, Texas, on Monday.
Detained migrant children play soccer at a newly constructed tent encampment as seen through a border fence near the U.S. Customs and Border Protection port of entry in Tornillo, Texas, on Monday.