1990s: Eye witness testimonies, exhibits, books, documentaries confirm Japanese atrocities
In April 1992, a two-part documentary about Japanese biological weapons mastermind Ishii Shiro was based upon newly discovered records of the Khabarovsk Trial, from KGB files, and materials from 731 Biological Warfare Unit, revealed how Japanese experiments were actually conducted. In 1993 the Japanese Chief Cabinet Secretary Yohei Kono issued…
