plant spies within the Kuomintang's security and intelligence services. To prevent leaks and limit damage caused by infiltration by Nationalist spies, agents of Teke were forbidden to have any relationship with other agents making the party so compartmentalized that many never knew the name of the organization only calling it "Wu Hao's Dagger", a reference to Zhou Enlai's nom de guerre. Based in Shanghai, Teke grew to become "a small army of messengers, people smugglers, and informers" with a constant presence in clubs, religious organizations, music groups, and brothels serving as Zhou Enlai's (and subsequently the CCP's) eyes and ears both in Shanghai and across the nation. Nonetheless, Teke had to compete with the newly established KMT Bureau of Investigation and Statistics (BIS) under the notorious Dai Li whose nickname as the "Chinese Himmler" lives on for his horrific torture record which included death in excruciating agony and forced heroin overdosing. Under Dai Li, the BIS created vast networks of 100,000 operatives across and outside the borders of China and mastered new means of intercepting communist communications — an art taught to the KMT by American cryptographer Herbert Yardley for use against the Japanese. The overwhelming advantages of the KMT were challenged only by the extensive and thorough infiltration of the security services by Teke agents including Qian Zhuangfei, Li Kenong, and Hu Di. Gu Shunzhang, whom Zhou Enlai had chosen to head operations for Teke, would prove to be one of the most adversely consequential members of the CCP's underground intelligence ring. Having been born in Shanghai on "the wrong side of the tracks" according to French author Roger Faligot, Gu lived crudely out of bars smoking opium, having affairs, and joining the Green Gang but made a name for himself as a magician. Made a bodyguard for Mikhail Borodin, the Comintern agent and advisor to the Kuomintang from Soviet Russia, Gu was sent to Vladivostok to learn the tactics of insurrection and tradecraft of espionage as Borodin feared division between the Chinese nationalists and communists. A trained spy, Gu led Teke operations from the group's 1927 founding until 25 April 1931. While performing the typical magic show for young children that usually covered for his espionage missions, a nationalist informer who had turned on the CCP recognized Gu from a photograph and alerted the KMT authorities. A number of KMT agents appeared and tackled Gu, not only gleeful