What research and development unit allegedly involved ex-soldier Yasuji Kaneko?
Yasuji Kaneko:  He was known for his extensive war crimes testimony, including his alleged involvement in the Unit 731. Unit 731: Unit 731 (Japanese: 731部隊 , Hepburn: Nana-san-ichi Butai ) was a covert biological and chemical warfare research and development unit of the Imperial Japanese Army that undertook lethal human experimentation during the Second Sino-Japanese War (1937–1945) of World War II.
Unit 731