The former Chief of Refining and Supply for Petrobras arrested on charges of bribery and corruption. After evidence is found linking him to Alberto Youssef, a black market dealer.
President recognises the efforts made by the anti-corruption task force and vows to aid in the prosecution of high level executives and corrupt politicians.
Despite Dilma's leadership being questioned after allegations of corruption within Brazilian politics, she formed a coalition government.
Petrobras announces it is under investigation by US Securities and Exchange Commission (SEC) for corruption.
President Dilma lets go Edison Lobão, the Minister of Mining and Energy and 54 other politicians. As a result of the ongoing bribery investigation with Petrobras.
Nestor Cerveró, the former CEO of state-owned oil and mining company Petrobras is arrested under charges of bribery and corruption after Operation Car Wash investigation reveals new evidence.