C1244 That's Stupid
And his base is in France, Not in T City, but in order to avoid being discovered by Lih Lingye and Gu Jingyu. When he sent people to investigate, he had to carefully hide his identity. Otherwise, if Lih Lingye and Gu Jingyu found out about it, they would kill him to silence him. It was also possible that he would send his men to erase all traces of the past, and then investigate again