
http://www.theaustralian.news.com.au/common/story_page/0,5744,10269637%255E1702,00.html
The BBC said the man, identified as Kwon Hyok, was a former North Korean army intelligence officer who defected to South Korea. It also said that he was formerly chief guard at No 22 Control Centre, a widely reported prison camp in the North's north-eastern tip.
Kwon Hyok described a glass-sided gas chamber at the camp, in which scientists observed inmates as they were gassed.
Dr Kim described a similar glass chamber, saying he watched as prisoners were gassed to death using a cyanide-based poison. He said he "participated in the murder of people" beginning in 1979
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A 2003 report by the US Committee for Human Rights in North Korea said between 150,000 and 200,000 political prisoners are confined to camps in North Korea, subjected to starvation diets, inhumane conditions and torture.
http://www.skycitygallery.com/japan/japan.html
Japan set up Headquarters of Unit 731 in Ping Fan near Harbin and Unit 100 in ChangChun, and Mukden, now called SunYang, in China to develop plague bombs for use in WWII. The base was disguised as Epidemic Prevention and Water Supply Unit. The complex in Ping Fan was completed in 1939, contained more than 150 buildings, including 2 secret prisons and 3 crematoria, and was the largest WMD Biological Weapon research center in the world