A former member of the Imperial Japanese Army's notorious Unit 731, which is thought to have undertaken covert biological and chemical warfare research in China during World War II, on Tuesday visited the former site of the unit's headquarters in Harbin.Hideo Shimizu, 94, from central Japan's Nagano Prefecture, who returned to the site in northeastern China for the first time in 79 years, mourned the victims of the research operation, which is believed to have included lethal experimentation and testing on humans, in front of a cenotaph dedicated to peace."I had painful experiences and lost…READ FULL ARTICLE
