C654
At five in the afternoon, Ding Changsheng followed Chen Qinglong and knocked on the door of Shi Aiguo's office. The two of them went in together, Chen Qinglong picked up Shi Aiguo's bag from the small table beside the desk and waited for Shi Aiguo to go out before turning off all the electrical appliances in the office.
The two of them walked behind Shi Aiguo