The Unknown Known I know." "The Unknown Known" was screened in the main competition section at the 70th Venice International Film Festival, and premiered at the Telluride Film Festival on August 29, 2013. The documentary has an 84% approval rating on the review aggregator website Rotten Tomatoes, based on 105 reviews with an average rating of 8.2/10. The website's critical consensus reads, "Viewers hoping to see Donald Rumsfeld admit making mistakes in public office may find "The Unknown Known" frustrating – but no less fascinating." On Metacritic, the film has a weighted average score of 69 out of 100, based on 30 critics,
United Nations Security Council and the Iraq War declaration failed to account for all of Iraq's chemical and biological agents. Many of these countries had supplied the Iraqi regime with the technology to make these weapons in the 1980s during the Iran–Iraq War. On December 19, United States Secretary of State Colin Powell stated that Iraq was in "material breach" of the Security Council resolution. Blix has complained that, to this day, the United States and Britain have not presented him with the evidence which they claim to possess regarding Iraq's alleged weapons of mass destruction. On February 5, 2003, Powell appeared before the UN to prove the