Ousted Nissan Motor Co. Chairman Carlos Ghosn is suspected of having written email instructing his confidant Greg Kelly to falsify financial documents relating to his pay package, sources close to the matter said Thursday.It was also revealed that Nissan had paid $100,000 a year since 2002 to Ghosn's sister who had no record of doing advisory work.The 64-year-old Ghosn, chairman of Nissan's alliance members Renault SA and Mitsubishi Motors Corp., and Kelly, 62, were arrested by Tokyo prosecutors Monday on suspicion of understating Ghosn's remuneration in securities reports presented to Japa…READ FULL ARTICLE