Six months ahead of the 2003 invasion of Iraq, the United States had little hard evidence and relied heavily on analytic assumptions and judgment in assessing what it knew about Iraq's Weapons of Mass Destruction Programs, according to declassified U.S. intellilgence report.
The September 5, 2002 report from the Glen Shaffer, the Director of Intelligence - which was initially classified as "secret" - at the time showed the U.S. knew about Iraq's internal expertise in building nuclear weapons, biological weapons, chemical weapons and ballistic missiles.