Joint Inquiry Briefing by Staff on U.S. Government Counterterrorism Organizations (Before September 11, 2001) and on the Evolution of the Terrorist Threat and U.S. Response: 1986-2001 [open pdf - 3MB]
This document covers the testimony of Richard C. Clarke, Coordinator of Counterterrorism for the National Security Council from 1993 to October 2001 before the Joint Senate and House Intelligence Committees on June 11, 2002. The originally classified testimony before the closed Congressional session was declassified on November 17, 2004.
United States Senate Select Committee on Intelligence: http://intelligence.senate.gov/pubs108.htm