The Tribunal will consist of three days of hearings investigating various issues related to the war on Iraq, such as the legality of the war, the role of the United Nations, war crimes and the role of the media, as well as the destruction of the cultural sites and the environment. The session in Istanbul is the culminating session of commissions of inquiry and hearings held around the world over the past two years. They have compiled a definitive historical record of evidence about the invasion and the occupation.