On April 25, 1999 between ten and sixteen thousand Falun Gong believers, clutching the little blue book of Li Hongzing, gathered outside the Chinese Communist Party's headquarters in Beijing. They stayed from dawn until well after sunset for what was the largest public protest in China since the 1989 democracy movement that resulted in the Tiananmen Square Massacre. For Chinese authorities, Falun Gong or Law Wheel Cultivation was a dangerous “devil cult” worthy of persecution decreed from the very top of the government and party structure. But what was it about this seemingly harmless belief system that the CCP found so threatening?