Mpumalanga taxi boss, Joe "Ferrari" Sibanyoni, has told the Madlanga Commission that questioning him about the pending Delmas criminal case could prejudice his rights. Sibanyoni, who is facing extortion and money laundering charges, argued that the merits of the case should be left to the courts, which will determine the outcome. He said that if he were ultimately found guilty, evidence leader, Advocate Matthew Chaskalson's questioning at the Commission could have contributed to incriminating him