. >> with me in the studio is masuda tsuyoshi.nk you for joining the program. >> i'm happy to be here. >> the duer family was involved in trade but what kinds of other people were interned? scl ov . >> over 1,200 people nationwide were interned. many of them were christian school teachers and -- far from being spies, they had contributed to the development of education and the culture in japan since the meiji era. >> at least 1,200 people experienced internment as sid duer did. but what are you trying to accomplish by exposing what the internment facilities were really like? i mean, what's to be gained by making this information public now? >> the diary exposes harsh treatment in camps during the war. the government justified internment as a means to prevent spying and to protect foreign civilians of enemy countries. foreign nationals may have been protected but their treatment was extremely poor. about 50 lost their lives to illness and other causes. despite internment many maintained their pro-japanese attitude. instead of hatin