(REUTERS) — In the classic Washington investigation at the highest levels of power, it is never the original offense that leads to trouble. It is who knew what and who said what that powers the probe and brings forth the cry of cover-up.
That script is being followed almost to the letter in the drama that continues this week as the Republican-controlled House of Representatives prepares for a possible vote on contempt of Congress charges against the highest law enforcement official in the country, Attorney General Eric Holder.
It began as a congressional probe of Operation "Fast and Furious," a botched effort by the Justice Department's Bureau of Alcohol, Tobacco and Firearms to trace illegal gun trafficking to Mexican drug cartels.
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