As MF Global, Inc. declared bankruptcy on October 31st, the CFTC and SEC released a statement advising that MF Global had informed them of possible deficiencies in customer futures segregated accounts. CFTC-SEC Press Release. On November 1st, the Wall Street Journal reported that the FBI is investigating whether MF Global diverted customer funds. It is unknown whether the suspected diversion, of as much as $600 million, had been a recurring practice, or was an individual event prompted by the firm's deterioration. Diversion. See also Reuters (discussing possible criminal charges). On November 2nd, CME Group stated that "it appears that any transfer of such funds occurred following the completion of CME audit procedures respecting such funds and in violation of CFTC Regulations and CME rules. CME completed its on-site review last week. At that time, the results of our review indicated that MF Global was in compliance with its segregation requirements. It now appears that the firm made subsequent transfers of customer segregated funds in a manner that may have been designed to avoid detection..." CME Group Press Release. On November 3rd, Bloomberg reported the U.S. Bankruptcy Trustee has requested court permission to subpoena MF Global's directors and officers as part of the Trustee's inquiry into whether any fraud led to the bankruptcy. Discovery Request. Business Week reported that the CFTC has subpoenaed MF Global's auditor, PricewaterhouseCoopers, regarding MF Global's customer account segregation practices. Subpoena. On November 4th, MF Global announced the resignation of Jon Corzine whom many hold responsible for the firm's demise. Corzine will not take any severance payments. MF Global Press Release.