Brazil's former President Luiz Inacio Lula da Silva, left, and his lawyer Cristiano Zanin leave the Lula Institute building in Sao Paulo, Brazil, Thursday, April 5, 2018. Federal judge Sergio Moro on Thursday issued an arrest warrant for da Silva, a major blow for the once wildly popular leader who was trying to mount a political comeback ahead of October's elections. (AP Photo/Marcelo Chello), APTOPIX