https://theintercept.com/2019/06/09/brazil-car-wash-prosecutors-workers-party-lula/
"AN ENORMOUS TROVE of secret documents reveals that Brazil’s most powerful prosecutors, who have spent years insisting they are apolitical, instead plotted to prevent the Workers’ Party, or PT, from winning the 2018 presidential election by blocking or weakening a pre-election interview with former President Luiz Inácio Lula da Silva with the explicit purpose of affecting the outcome of the election."