Story highlights The bureau Tuesday posted 129 pages from its 2001 investigation of Rich

Former President Bill Clinton pardoned Rich on his last day in office

Washington (CNN) The FBI on Tuesday -- one week from Election Day -- released heavily redacted files from its 2001 investigation of President Bill Clinton's pardon of Marc Rich.

The release -- issued by an automated FBI Twitter account -- quickly drew complaints from Democrats who have assailed FBI Director James Comey for his decision last week to tell Congress the bureau was reviewing emails potentially related to Hillary Clinton's private server. The bureau has been accused by some of meddling in the final days of a hard-fought election.

The FBI's tweet led some to conclude the documents were related to the Clintons' charitable foundation, but the tweet was referring to Bill Clinton's presidential library, which is governed by the William J. Clinton Foundation.

The bureau Tuesday posted 129 pages from its 2001 investigation of Rich, a former hedge-fund trader who had been indicted on multiple counts of tax evasion.

Bill Clinton pardoned Rich on his last day in office, one of his most controversial decisions as president. The FBI closed its investigation of Clinton's pardon for Rich in 2005 and no charges were filed against the former president.

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