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Just by the way he was dressed. no shirt, wearing shorts. as soon as he saw me, he was on the trail here, he ran over here, jumped in the raft and went back south. >> reporter: back up the clearing, no sign of the migrant families. but a quarter mile up the road, there they are. up close, we can see theyre tired, sweating and confused. and right there in his mothers arms, a baby. his name is angel. his mother says shes been traveling for a month, starting in honduras. i ask her about taking ange...