27. I choose to stand, rather than sit. That way I can be sure of staying awake. Staring out into the eternal darkness of the rainforest, I use my ears more than my vision, which is useless. I can only wonder if I’m being watched by the men responsible for killing Carlos and for crucifying those three guides. My guess is that I am. It confirms my suspicions for me: They need us. Need me anyway, to show them the way to the aircraft. Raising my right hand, I pat the pocket on my bush jacket that contains Keogh II’s digitally enhanced map. Without it, I’m a dead man. We’re all dead. Question is, how do the Tupac Amaru know we have such a map? How do they know about our expedition? About the aircraft? How do they know the purpose of our mission in the first place? The two men sitting in th

