Mu Liuyun stared suspiciously at Professor Lu and looked up and down at him.

He even stopped his work and stared at Muliuyun for a while before he began to ask, "Cousin Lu, things seem wrong. How do you know that surveillance videos were deleted because of sector removal?"

"I..." Professor Lu gracefully supported his glasses: "When I came here, I heard what the bodyguard said."

"No, it's not right," Mu Liuyun, although he had some intellectual problems in his early years, has recovered but is still not very intelligent and young, but he is not stupid, not so easy to fool: "Cousin Lu, even the bodyguards in the surveillance...