Cilian Xiomara Santos, 23, and her son, Erlin Joel Santos, 5, laugh for a moment after they turned themselves in to Customs and Border Protection, as they wait for a bus to pick them up. Many of the migrants feel relieved that they have finally made it to the U.S.

Cilian Xiomara Santos, 23, and her son, Erlin Joel Santos, 5, laugh for a moment after they turned themselves in to Customs and Border Protection, as they wait for a bus to pick them up. Many of the migrants feel relieved that they have finally made it to the U.S.