September Dossier

Iraq's Weapons of Mass Destruction: The Assessment of the British Government, also known as the September Dossier, was a document published by the British government on 24 September 2002 on the same day of a recall of Parliament to discuss the contents of the document. The paper was part of an ongoing investigation by the government into weapons of mass destruction (WMD) in Iraq, which ultimately led to the 2003 invasion of Iraq. It contained a number of allegations according to which Iraq also possessed WMD, including chemical weapons and biological weapons. The dossier even alleged that Iraq had reconstituted its nuclear weapons programme. Without exception, all of the allegations included within the September Dossier have been since proven to be false, as shown by the Iraq Survey Group.

The much-anticipated document was based on reports made by the Joint Intelligence Committee, part of the British Intelligence 'machinery'. Most of the evidence was uncredited, ostensibly to protect sources. On publication, serious press comment was generally critical of the dossier for tameness and for the seeming lack of any genuinely new evidence. Those politically opposed to military action against Iraq generally agreed that the dossier was unremarkable, with Menzies Campbell observing in the House of Commons that: