C1105 Monitoring Investigation
The target's home was a seemingly unremarkable building. This type of building was built thirty years ago, and now it looked very old.
Furthermore, the house was not big. There were all sorts of junk piled up in the stairwell and it was extremely narrow. It was impossible for two or three people to walk side by side.
Su Cancan was right next to the target, so she bought the house.
Of course