Several text and audio messages between Brazilian judge Sérgio Moro and lead prosecutor Deltan Dallagnol are leaked, casting doubt over the trial of former Brazilian President Luiz Inácio Lula da Silva on the grounds of illegal collaboration between court and prosecution. The leaks also point to interference in the 2018 elections by Operation Car Wash's task force officials.
Former Brazilian President Luiz Inácio Lula da Silva gives a public address alongside his impeached successor Dilma Rousseff in São Bernardo do Campo, saying he will comply with an arrest warrant and begin a 12-year term for corruption after two failed appeals to have the warrant withdrawn. He maintains his innocence.
The Brazilian Supreme Federal Court releases a plea bargain testimony from JBS S.A., revealing that the company paid 500 million reais in bribes to politicians, including current President Michel Temer and his predecessors Dilma and Lula.
Clashes erupt outside the presidential palace in Brazil's capital Brasília between anti-Workers' Party protesters and supporters of ex-president Luiz Inácio Lula da Silva, where he was due to be sworn in as President of Brazil Dilma Rousseff's chief of staff. Hundreds of anti-government protesters calling for Rousseff's impeachment and Lula's arrest also blocked the central Paulista Avenue in São Paulo, Brazil's largest city and economic hub.
Brazil's ex-president Luiz Inácio Lula da Silva takes Cabinet post as chief of staff to Brazil's current president, Dilma Rousseff, thereby gaining legal shield. Only the Brazilian Supreme Court can try presidential Cabinet members for crimes.
The Brazilian Supreme Federal Court issues a long-time awaited order to arrest for bribery 12 former top officials who had served under ex-president Lula, in one of the nation's biggest corruption cases.
Brazilian President Luiz Inácio Lula da Silva questions why American President Barack Obama ignored Iran's nuclear agreement with Brazil and Turkey and presented new sanctions to the United Nations Security Council, saying this is "not the attitude that someone who won the Nobel Peace Prize has" and describing himself as "disappointed".