Matsuoka interviewed hundreds of Nanjing Massacre survivors and perpetrators and is nicknamed "the conscience of Japan."

USC Shoah Foundation staff are currently in Nanjing, China, to record about 20 more testimonies of Nanjing Massacre survivors.

The 22 new testimonies will bring the total number in the Nanjing Massacre collection to 72.

Madame Xia Shuqin, child survivor of the 1937 Nanjing Massacre, traveled from Nanjing, China, to Los Angeles this week to film an interview for USC Shoah Foundation’s New Dimensions in Testimony (NDT) project.