The old man in black looked like a servant. He should come to open the door. Zhang Weilong also intended to show his police card and check the environment in the house in the name of investigating a case. However, after waiting for a few minutes, there was no response from the villa and no one came to open the door. Strange, the old man just ran in. Why didn't anyone come out to open the door now? Did the old man find that he was being followed and escape out of fear of punishment? "Ding-dong," "Ding-dong" Zhang Weilong began to ringing the doorbell again. At this time, suddenly, Zhang Weilong felt an unspeakable sense of horror rising from his spine, as if there were eyes staring at him from behind. He immediately turned around and looked around, but there was nothing except for the em

