C80 Haemophilus

I told Zheng Nan to search the room again to see if there were any other clues, and I followed the landlord downstairs.

In the control room on the second floor, the landlord called up the surveillance videos from the corridor on the sixth floor.

"When was the last time you saw him bring someone back? Can you find that video? "

The landlord thought for a moment. As he moved his mouse, he said