Mr. Juan Mendez, Special Rapporteur on Torture, addressed the UN General Assembly on 22 October 2013 and outlined his thematic report on the "Revision of the Standard Minimum Rules for the treatment of Prisoners
https://web.test.ohchr.un-icc.cloud/en/statements/2014/03/mr-juan-mendez-special-rapporteur-torture-addressed-un-general-assembly-22