C174 Internal Adultery

"But we've been involved in the entire process. How did they do it?" Professor Li calmed his emotions and spoke out the doubts in his heart.

Ye Tao also thought of this. However, his eyes flashed and he slowly said, "No, there is one segment that we are all absent from!"

"You mean?" A thought flashed in Professor Li's mind. If there really was a traitor, there was only one chance