Zeng Jiwu confessed that the Japanese spy at Chongqing Station was codenamed Milu and his specific identity was unknown.He proved that Ou Xiaoan did not betray the military commander when he was on Shigaota Road.Under Ou Xiao'an's repeated threats, he handed over the most critical petition: four days later, the Japanese Army Command in Shanghai would send a plane to Guizhou to pick up Daqiao and several biochemical experts, as well as the prisoners brought out of the 810 Office.He alone explained to Wei Qingming the coordinates of the airport where Daqiao flew, and said that Chen Ke was also among the prisoners.