C99 Gu Yue Qin's Identity

"I can give you a detailed analysis of this case, but I can't give you this photo for now. I promised my classmate Su Chen to keep all the information on this case for him, so, I'm sorry." Yang Guang said apologetically. The main thing was that Gu Yueqin's photo was only this one. If he gave it to the two of them, then the information he would give Su Chen would be incomplete. After all