Bab 2520: Chapter 2515-I discovered a problem

At 9:30 that night, the situation had already entered a state of white heat.

In the interrogation room, Miao Ying and Wu Xiumin were still trying to interrogate the suspect, sun Guodong. However, sun Guodong was still watertight. Once they asked about Bai Wenhai and the others, he would pretend to be stupid.

In the monitoring room, Zhao Yu was looking at sun Guodong, who was being interrogated, while he actively directed the investigation work.

Ran Tao was holding a document and reporting to him,"

"Boss, we've already retrieved all the surveillance footage from sun Guodong and Zhang Yongsheng's residences. We're now trying to trace their movements in the past three months!

"I think ... Within three months, sun Guodong must have come into contact with the victim ..."

"Boss," cui Lizhu, who was holding another document, said,"we searched sun Guodong's house, but we still didn't find any suspicious clues!"