In 1999 , after a big Falun Gong gathering in front of a Chinese government building , the Communist Party of China said : people can not practice Falun Gong , it is `` illegal '' . The police started arresting Falun Gong followers , and according to human rights organizations , over 3000 people has been jailed and tortured to death . All six of the Falun Gong practitioners involved were captured and tortured to death .