Prize-winning work of investigative journalism by Glenn Greenwald, José Casado and Roberto Kaz revealed how the US intelligence services have spied on Brazilian authorities. Following huge amount of data released by Edward Snowden, they exposed how the NSA has tapped phones and infiltrated computer systems to gain access to crucial information from Brazil´s biggest companies, such as Petrobras, government officials, diplomats, and even to President Dilma Rousseff´s mobile phone. In this ebook, José Casado goes deeper into the process and tells the story of the American intrusion from its origins. It is a rivetting account, full of surprising details. This ebook also brings articles by O Globo´s correspondents in the US and in Europe, drawing a bigger picture of the impact of Snowden´s revelations.