In August 1969, Charles Manson's followers brutally claimed seven lives according to his orders. Why did they kill?Why do you obey so blindly? This is not only a bloody massacre, but also a chilling psychological manipulation conspiracy. Uncover the dark truth hidden behind the psychedelic era— A history of brainwashing control, CIA secret experiments and crazy killings. When faith becomes a shackle and the soul is controlled by others, where will human nature go? This thrilling mystery spans half a century, waiting for you to explore in depth.