On 28 April 2013, "The New York Times" revealed that from December 2002 up to the publication date, Karzai's presidential office was funded with "tens of millions of dollars" of black cash from the CIA in order to buy influence within the Afghan government. The article stated that "the cash that does not appear to be subject to the oversight and restrictions." An unnamed American official was quoted by "The New York Times" as stating that "The biggest source of corruption in Afghanistan was the United States."