C746 Prime Minister Si Kou

After all, a long time had passed since the incident back then. Wouldn't it be extremely difficult to find someone now? Even if there was someone else, they would have been dealt with by Sikou Chang or Yin Mushuang. How could they leave any traces behind? Furthermore, even the Emperor had no doubts about Yin Mushuang back then. Why did Leng Shaoyuan still need to find someone now?

"Back then