Led by Gen. Shiro Ishii, Unit 731 researchers "used men and women as involuntary test subjects, causing them unspeakable pain and suffering as they were injected with germs, fed infected foods ...

At least 3,000 people, including Chinese civilians, Russians, Mongolians and Koreans, were killed in tests of biological weapons and other experiments by Unit 731 between 1939 and 1945, Chinese ...

The film, 731, exposes the grievous biological and chemical experiments committed by Unit 731 of the Japanese Kwantung Army in Northeast China during the Sino-Japanese war and World War II.

WARNING: The following contains graphic content and descriptions. Reader discression is advised.

Built by the Japanese in 1941 and running until Japan's surrender at the end of World War II, the lab was Unit 731's largest research site, but its exact location was lost until now.

In the shadows of World War II, Japan built a secret unit that turned human beings into test subjects. Unit 731’s story is one of horror, cruelty, and silence.

Unit 731 established a massive 150-building complex in the Pingfang District of Harbin (then part of the puppet state of Manchuria), where it developed and tested its weapons on involuntary human ...

But Unit 731 didn’t prevent epidemics—it spread them. Nazi medical experiments on concentration camp prisoners, performed by monsters such as Josef Mengele, have been thoroughly documented.