From Brazilian ghetto to Wall Street vigilante.
While shining the shoes of a wealthy businessman he picked up a tip that he parlayed into a path to becoming a wildly successful trader. He had the combination of genetic intelligence combined with a savage life in poverty, but with a strong inherent sense of right and wrong.
He was ruthless, but he never lied. When he came to Wall Street, he was disgusted by what he saw; great fortunes made by fraud, insider trading, or at taxpayer expense. Favela saw that the system was weak – but he was not. Some people needed help. Some people needed to die.