The administration of justice, including law enforcement . . . agencies, . . . in full conformity with applicable standards contained in international human rights instruments, [is] essential to the full and non-discriminatory realization of human rights and indispensable to the process of democracy and sustainable development. ... The advisory services and technical assistance programmes of the United Nations system should be able to respond immediately to requests from States for educational and training activities in the field of human rights as well as for special education concerning standards as contained in international human rights instruments and in humanitarian law and their application to special groups such as . . . law enforcement personnel. VIENNA DECLARATION AND PROGRAMME OF ACTION (Part I, para. 27; Part II, para. 82) iii