
On Friday, Oct. 22, the organization known as WikiLeaks published a cache of 391,832 classified documents on its website. The documents are mostly field reports filed by U.S. military forces in Iraq from January 2004 to December 2009 (the months of May 2004 and March 2009 are missing). The bulk of the documents (379,565, or about 97 percent) were classified at the secret level, with 204 classified at the lower confidential level. The remaining 12,062 documents were either unclassified or bore no classification. This large batch of documents is believed to have been released by Pfc. Bradley Manning, who was arrested in May 2010 by the U.S. Army Criminal Investigations Command and charged with transferring thousands of classified documents onto his personal computer and then transmitting them to an unauthorized person.