The investigation into MF Global’s collapse took an interesting turn this week, as emails were uncovered that detail the transfer of money in the firm’s last days, including transfers that contained customer money according to sources close to the investigation. One e-mail chain refers to the transfer of roughly $200 million that MF Global owed JPMorgan Chase on Oct. 28 — the firm’s last business day before it filed for bankruptcy. In that chain, Edith O’Brien, a treasurer at MF Global, was told to make the transfer, sources said. O’Brien is considered a “person of interest” in the investigation, though there is no indication that she had reason to suspect that the transfer included customer money.

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