From the depths of Brazil’s Amazon to Indonesia’s rainforests, some of the world’s most isolated peoples are being squeezed by roads, miners and drug traffickers — a crisis unfolding far from public view or effective state protection. A new report by Survival International, a London-based Indigenous rights organization, attempts one of the broadest tallies yet, identifying at least 196 uncontacted Indigenous groups in 10 countries, primarily in the South American nations sharing the Amazon rainforest.