The State alleges that Hume, in association with his five alleged co-conspirators, knew or ought to have known that their enterprise 'uses or invests, directly or indirectly (Hume's) rhino horns, other rhino horns and rhino skins to fuel the illegal market'. A dark shadow has been cast around the "conservation hero" mantle of South African rhino baron John Hume following sensational allegations that he purchased or purloined the identity documents of several indigent people as part of an elaborate scheme to fraudulently circumvent a 50-year-old global ban on the rhino horn trade.