on 2 october 2008, castroneves was charged with conspiracy and six counts of tax evasion by a grand jury for purportedly failing to report to the irs about $5.5 million in income between 1999 and 2004, according to court documents. each count carried a maximum five-year prison sentence. his business manager and sister kati, and his lawyer alan miller were charged with assisting castroneves in the supposed scheme. all three defendants surrendered to authorities in florida on friday, 3 october 2008. castroneves pleaded not guilty to these charges on 3 october, and was ordered released on $10 million bail. castroneves was replaced by will power during the duration of his tax evasion court case. the irs claimed that castroneves owed $2.3 million in taxes. a guilty verdict would have likely ended castroneves' racing career.