The most feared man in China, Dai Li, was chief of Chiang Kai-shek's secret service during World War II. This sweeping biography of ""China's Himmler,"" based on recently opened intelligence archives, traces Dai's rise from obscurity as a rural hooligan and Green Gang blood-brother to commander of the paramilitary units of the Blue Shirts and of the dreaded Military Statistics Bureau: the world's largest spy and counterespionage organization of its time.