As international criminal courts and tribunals have proliferated and international criminal law is increasingly seen as a key tool for bringing the world's worst perpetrators to account, the controversies surrounding the international trials of war criminals have grown. War crimes tribunals have to deal with accusations of victor's justice, bad prosecutorial policy and case management, and of jeopardizing fragile peace in post-conflict situations. In this exceptional book, one of the leading writers in the field of international criminal law explores these controversial issues in a manner that is accessible both to lawyers and to general readers.