The recent report by a United Nations fact-finding team investigating allegations of war crimes committed during the attack on Gaza last winter is an historic contribution to the Palestinian struggle for justice, an impeccable documentation of a crucial chapter in their victimization under occupation. Its impact will be felt most impressively on the growing civil society movement throughout the world to impose cultural, sporting and academic boycotts, as well as to discourage investment, trade and tourism with Israel. Richard Falk comments.