Page 282 - MaterialsTrial-JapaneseArmy-1950

Question: What were you warned about when you started work in the detachment?

Answer: Captain of the Medical Service Yamashita warned me that everything I got to
know while at work in Detachment 731 I must keep absolutely secret in view of military
secrecy and that no matter where or when I was engaged in other work, I must not talk about
the secret work of Detachment 731.

Question: Did you take part in any expedition carried out by Detachment 731?

Answer: Yes, in 1942, I took part in an expedition into Central China.

Question: Tell us, what were the objects of this expedition and what did you yourself do
during this expedition?

Answer: The chief object of the expedition into Central China was to carry on sabotage
against the Chinese troops and the civilian population in the region of the town of Yiishan.

In July 1942, a group from Detachment 731, consisting of 120 officers and civilian
employees left Harbin by train. We arrived in Central China, in the city of Nanking, the
headquarters of the Water Supply and Prophylaxis Administration of the Japanese
Expeditionary Army in Central China, and from this administration a group of privates and
officers joined us. The final number of men in our expedition was 150-160.

Question: You said that you arrived in Nanking?

Answer: Yes, in Nanking.

Question: There you were joined by a group of servicemen from the Nanking Detachment
Ei 1644?

Answer: Yes.

Question: Thus, the Nanking Detachment Ei 1644 assisted Ishii's detachment in its
expedition in China?

Answer: Yes.

Question: SWho headed the expedition of Detachment 731?

Answer: The expedition of Detachment 731 was headed by Major General Ishii.

Question: What did the expedition do in Central China?

Answer: The work of the expedition in which I took part consisted in the following: this
was a bacteriological attack by contaminating water sources, wells and buildings with the

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