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,
Legality of the Iraq War war was legal; however, legal experts, including John Chilcot, who, acting as chairman for the British public inquiry into Iraq, also known as the Iraq Inquiry, led an investigation with hearings from 24 November 2009 to 2 February 2011, concluded that the process of identifying the legal basis for the invasion of Iraq was unsatisfactory and that the actions of the US and the UK have undermined the authority of the United Nations. International leaders such as Russian President Vladimir Putin and Deputy Prime Minister to Tony Blair John Prescott, have also argued that the invasion of Iraq lacked legality