lessons learned exercises and during meetings with experts reviewing the work of my Office in this area, as well as from the experience of my predecessors. Although it is primarily directed at those involved in establishing, supporting and resourcing such commissions and missions, I am confident that this publication will be of use to others seeking information and advice on these investigative bodies. Zeid Ra’ad Al Hussein United Nations High Commissioner for Human Rights vi COMMISSIONS OF INQUIRY AND FACT-FINDING MISSIONS ON INTERNATIONAL HUMAN RIGHTS AND HUMANITARIAN LAW