31 Dec 2013 Secretary-General hails ‘impressive legacy’ of Special Court for Sierra Leone on path towards age of accountability. Secretary-General Message – Secretary-General hails ‘impressive legacy’ of Special Court for Sierra Leone on path towards age of accountability. Press Releases Secretary-General celebrates peacebuilding ‘triumph’ in Sierra Leone at closing ceremony of United Nations Integrated Office Speakers in Security Council call Sierra Leone ‘storehouse of lessons’ as United Nations mission nears end of mandate.