C145 Find Xing Tong

Toffy stood up and said loudly: "I think what Smith said is reasonable, I'm afraid Xing Tong used this method to avoid our detection, just, how do we find him?" As he said that, he turned his head to look at Si Luo, and said: "Hey Si Luo, you brat, you always praise yourself for being smart. Now you can think of a way, I've been using my brain for the past few days