Around 2011 or 2012, indigenous villagers outside Manu National Park, an internationally renowned biodiversity hotspot in southwestern Peru, noticed that bananas were mysteriously disappearing from the trees that ringed their huts. At the same time, they found that their huts were being ransacked while they were out. They only understood what was happening when they finally caught glimpses of their rarely seen neighbors, uncontacted Mashco Piro tribespeople who lived deep within the park….