In the beam of a scanning flashlight, the family came into focus. A father, laboring under a sack filled with his belongings, used his free hand to pull a child no older than five, who hauled a bag of his own, as they struggled ashore from the Naf River. His wife lagged behind, clutching an infant with no pants. Once they made land, another man emerged from the dark water, his eyes downcast, carrying a young girl in his arms. They had reached Shah Porir Dwip, an island on the southeastern tip