When he returned home that night, Zeng Lei called Ah Chao and asked Ah Chao to immediately monitor Liu Xuanang's mobile phone.

The next morning, Zeng Lei learned on the listening device that Liu Xuanang really went to the court, and wanted to retrieve the surveillance video of Bai Xiaoli's trial day.

If you want to obtain the court's surveillance footage, you need to present a letter of introduction from the public security department and a notice of evidence collection. Liu Xuanang regretted his recklessness a little, and since he was transferred to the new team and joined the investigation team of the serial disappearances, Liu Xuanang was extremely nervous. Last night, because he was drinking with his colleagues, he felt extremely relaxed, and he forgot to go through the procedures in advance. He was worried that going back to go through the procedures might delay a lot of time, so he called his colleague Li Manke and asked Li Manke for help.

"Manko, I'll leave this matter to you, I'll wait at the courthouse. Call me when the formalities are done, and I'll drive to pick it up. Liu Xuanang told Li Manke.

"Okay, don't worry, wait for my call." Li Manke readily agreed.

Zeng Lei sat in the detective office and listened, feeling that Liu Xuanang's investigation ideas were very thorough, and he thought that there was any way to get the surveillance video of Bai Xiaoli's trial.

Ah Chao saw Zeng Lei's thoughts, and called Yin Zhengyu and Li Jian, who were investigating the case outside, back to help.

As soon as Yin Zhengyu entered the door, he shouted: "What video? I'm going to steal it! ”

Li Jian glared at Yin Zhengyu, "What do you steal?" You don't have a brain, do you? Dare to steal in front of the police, you don't want to live anymore? ”

"So what do you say?" Yin Zhengyu picked up the water cup and walked to the water dispenser to pick up a glass of water and drank it in a big gulp.

"Still have to outwit!" Li Jian also took the water cup to catch the water.

"How to outwit?" Yoon Jung-woo asked.

"I was thinking!" Li Jian scratched his head.

"Here you go, take it!" Ah Chao handed Zeng Lei a palm-sized black machine.

"What is this?" Zeng Lei took it and took a look.

"This is the 'USB flash drive duplicator' you need to outwit!" Then, Ah Chao explained and demonstrated the use of this duplicator for them.

Zeng Lei immediately thought of a good way, "Zhengyu, you drive near the courthouse." When Liu Xuanang drives back to the police station with the video, I will inform you. You find a way to get him in trouble on the road and force him to get out of the car. Then, Li Jian took the opportunity to get in the car to steal his USB flash drive and copy all the information inside. Remember, after the copying is over, Liu Xuanang's USB flash drive must be placed in its original position. Zhengyu, you have to entangle with him as much as possible, and strive to give Li Jian enough time to copy the USB flash drive......" Zeng Lei explained the task to Yin Zhengyu and Li Jian in detail.

Yin Zhengyu and Li Jian listened carefully, and their eyes and expressions were extremely excited and excited.

"Remember, the most important thing: the task can fail, but it can't be exposed. Once Liu Xuanang's suspicion is aroused, I will never have a chance to get close to him in the future. Do you understand? Zeng Lei looked at Yin Zhengyu and Li Jian's eyes with special attention and said.

The two nodded in response, picked up the car keys and the USB flash drive duplicator and walked out of the detective office.

Zeng Lei continued to monitor Liu Xuanang's whereabouts, he was a little nervous at this time, he didn't expect that the investigation techniques he had learned in the police academy before were now used by his colleagues in the police force, and he felt guilty for using them, but he had no choice but to do it. If he didn't want to solve the case and find the murderer as soon as possible, Zeng Lei wouldn't have to make this decision. After a few thoughts, Zeng Lei was extremely melancholy.