 In Havana Bond meets NSA agent Giacinta ' Jinx ' Johnson and follows her to a gene therapy clinic , where patients can have their appearances altered through DNA restructuring . Bond locates Zao inside the clinic and attempts to kill him , but Zao escapes . He leaves behind a pendant which leads Bond to a cache of diamonds , identified as conflict diamonds , but bearing the crest of the company owned by British billionaire Gustav Graves . 
