places they must be fleeing from are to make them endure this kind of torture to some degree over many days. finally through the haze of the parched rocks, they see it. and leaving the trek is yet another ordeal, another cost. a line again, this time for $20 a head to pack into these boats. run by the local tribe, at least $300 is made on each boat. six boats always loading from dawn until 4 p.m. that's, again, a lot of money. but also too many customers. there is a fight. someone cutting in line. this may be a medical rescue helicopter. that is the first that we've seen of the panamanian government since we've arrived.