member of the secret service agency, and people joined in attacking Xiao Guangyan. He was interrogated with perseverance, using force methods such as punches, kicks, and torture to extract confessions, and was requested to continue to write confessions and expose his crimes. On the morning of December 11, 1968, Xiao Guangyan was found dead. The autopsy revealed that he committed suicide by taking barbital. Personal life Xiao Guangyan married Zhen Suhui in 1945. Zhen Suhui was born and raised in the United States and didn't speak Chinese. Her father used to be Sun Yat-sen's secretary. Later, he was sent by the Nationalist Government to work as an expatriate in the United States. Zhen Suhui initially resisted Guanyan's plans for moving to China due to the language barrier and the political situation there. However, Xiao Guangyan had decided, and even proposed to go to China alone and let Zhen Suhui stay in the United States; she finally gave in and accompanied her husband to China. She served as English teacher at Dalian Maritime University. When Xiao Guangyan was troubled by political struggles, Zhen Suhui provided him understanding and comfort. The couple gave birth to their daughter in 1952, Xiao Luo Lin (nickname "Lolo"). During the Cultural Revolution, Zhen Suhui accepted to do labor work at Dalian Yingchengzi Farm, while Xiao Luolian was left alone at home. After Xiao Guangyan committed suicide, the work propaganda team called Zhen Suhui to Dahua Office to notify her of the death of her husband; she reacted calmly and asked the work propaganda team to give her two days off to take care of her daughter. On December 13, 1968, Zhen Suhui and Xiao Luolian took barbital together and died hugging each other in bed at home. Rehabilitation After Xiao Guangyan's death, he was accused of being the central figure of the "301 Special Agent Group". His death triggered the "301" case, which was a major case and was later regarded as a model of "working class occupation of scientific research department". The work propaganda team described Xiao Guangyan's death as "the choice when class enemies are desperate" and "the great victory of the dictatorship of the proletariat ", and announced it as "extraordinarily good news" to inform all members of the Chinese Academy of Sciences, and classified him as a "counter-revolutionary agent". Xiao Guangyan's former friend Bai Jiefu indicated that the prime minister Zhou Enlai