Several witnesses knew Kim before and after his time in the Soviet Union, including his superior, Zhou Baozhong, who dismissed the claim of a "second" Kim in his diaries.
Adskillige vidner kendte Kim både før og efter tiden i Sovjetunionen, inkl. Kims overordnede Zhou Baozhong, som afviste påstanden om en "anden" Kim i sine dagbøger.