ATP International Series | CSI: Crime Scene Investigation | Federal Bureau of Investigation | Federal Communications Commission | International Monetary Fund | independent | European Commission | International Red Cross and Red Crescent Movement | ATP International Series Gold | International Space Station | Amnesty International | International Olympic Committee | independent record label | BirdLife International | International Finance Corporation | International Organization for Standardization | International Telecommunication Union | International Criminal Court | One Day International | International Nonproprietary Name | International Labour Organization | Royal Commission | International Civil Aviation Organization | International Boxing Federation | independent film | Toronto International Film Festival | International Atomic Energy Agency | Commonwealth of Independent States | International Maritime Organization | International Development Association |
In 2005, United Nations Secretary-General Kofi Annan appointed Mehlis as the Commissioner of the UN International Independent Investigation Commission (UNIIIC) into the assassination of former Lebanese Prime Minister Rafik Hariri and 22 other persons in Beirut.