article_snippet.sent: Federal police arrested Joao Vaccari Neto at Joao Vaccari Neto home in Sao Paulo on Wednesday morning.
article_snippet.sent: Joao Vaccari Neto faces charges of corruption and money laundering as part of bribery probe into corruption at Petrobras.
article_snippet.sent: Joao Vaccari Neto has denied any wrongdoing and recently told a congressional commission that all donations to the ruling Workers' Party were legal and were reviewed by electoral authorities.
article_snippet.sent: Joao Vaccari Neto is the closest political figure to President Dilma Rousseff so far implicated in the bribery investigation at the state-run oil company Petrobras.
article_snippet.sent: President Dilma Rousseff herself has not been implicated, although Joao Vaccari Neto was the chairwoman of Petrobras when much of corruption at Petrobras took place.
article_snippet.sent: President Dilma Rousseff has insisted Joao Vaccari Neto supports bribery probe and has not in any way interfered with the bribery investigation at the state-run oil company Petrobras.
highlights_snippet.sent: Joao Vaccari Neto is arrested in bribery probe .
  
highlights_snippet.sent: Joao Vaccari Neto denies wrongdoing, says all donations were legal .
  