zaman would be identified using a code word, "pedro," drawn in marker on a t-shirt.you had waited all night? >> all night, yeah. >> sreenivasan: with your family anur kids? >> yes, ye. many people went to that gate, as well, and there was a canal between the gate, and the u.s. soldiers was to the airport side of the canal. >> sreenivasan: over whatsapp, the group directed zaman's family and another to get as close as possible to the american gate. when the americans in the u.s. got word that their contact inside the airport was approaching the gate, zaman was instructed to pull out the "pedro" sign. and miraculously, in the sea of those seeking refuge, he was spotted. >> i jumped to the canal. >> sreenivasan: you jumped into the canal? >> yes. my wife give me the kid. i take her to the other side to give to the other soldiers were with them. >> sreenivan: so, you went back and forth in the canal? >> back and forth in canal, take the kids from my wife and give to soldiers. and the last time, my wife jumped in the canal. she crossed. yeah, then myself. >> sreenivasan: