Killers A-Z

I

Shiro Ishii
Country: Japan, China
Kill tally: 100,000 to 500,000
Kill tally details: At least 3,000 killed in experiments at the Unit 731 biological weapons facility. Approximately 200,000 killed in field tests of biological weapons. Between 20,000 to 30,000 Chinese killed when plague-infected rats are released from Unit 731 at the end of the Second World War