Secretary-General, in message to Pledging Conference calls for assistance to Cambodia in pursuit of justice, national reconciliation, peace and security - contributions would send message that impunity will not go unchallenged : [message, to the Pledging Conference for United Nations Assistance to the Khmer Rouge Trials, New York, 28 March 2005] / [on behalf of the Secretary-General by the Director, Programme Planning and Budget Division, Department of Management]