Funerals are held for Dom Phillips and Bruno Pereira and there is hope that the election of President Lula will mean new protections for the Amazon – and that the killers of Dom and Bruno will face justice. But organised crime is widespread and deep-rooted. The investigative journalist Sônia Bridi tells the Guardian’s Latin America correspondent Tom Phillips about a man who allegedly not only may have helped plan the killings but may have ordered them. A man whose name strikes fear across the region