So when Zhang Long and Annie checked the surveillance equipment, they found no clues for a long time.
But the two of them did not give up.
Still checking again and again.
It just slowed down the speed. At the beginning, it was 8 times faster.
Originally, Zhang Long thought that the video images were still and it would be easy to see as long as a person appeared.
Later I thought that those people might be moving outside the surveillance cameras, and perhaps only their shadows could be captured.
From this perspective, it's not that easy. The shadow is relatively light. If you use 8x speed, you will miss it if you don't pay attention.
Later, Zhang Long simply slowed down and watched slowly.
In this way, if you have to view so many videos, the time spent will naturally increase exponentially.
However, the final effect was not particularly good. Just when Zhang Long was about to fall into despair, Annie suddenly discovered something.
"There seems to be a hidden device here."
Zhang Long heard Annie's voice and looked in his direction. He saw Annie also found a camera in the monitoring room in the corner, which meant that one of the videos was monitoring this room.
So the two people also quickly searched for which screen it corresponded to. Finally, they relied on Anne's professional knowledge to find the screen. It turned out to be one of the screens and needed to be switched to switch here.
As soon as the two people opened the video and took a look at Zhang Long, they knew that they would be able to see any clues clearly, because the camera was installed very cleverly, so that there would be no blind spots for the people in the room to avoid.
As long as the camera was not blocked at the time, everything would have been captured exactly as it was.
At this time, there was no need to be so slow, so I also fast-forwarded, and finally arrived at Zhang Long and a group of four people walking into the monitoring room. After Zhang Long explained their affairs, he went out alone.
Next it was time for Zhang Xiaotong, Wang Shengli and Liu Li to take turns to rest.
At the beginning, Zhang Xiaotong and Wang Shengli followed the arrangement agreed with Zhang Long when they left, and one person took turns to be on duty.
Don't let Liu Li have any chance to take advantage of her.
However, after fast forwarding, Zhang Long also discovered that Liu Li slept when she was supposed to sleep and was on duty when she was supposed to be on duty, without any abnormality.
What happened next that Zhang Long couldn't imagine finally happened. He originally thought he saw someone else break into the monitoring room and subdue Wang Shengli and Zhang Xiaotong.
Or what kind of trajectory Liu Li used to subdue Wang Shengli and Zhang Xiaotong.
But they never expected that while Liu Li and Zhang Xiaotong were resting, Wang Shengli suddenly picked up a piece of wood.
Then he hit Zhang Xiaotong and Liu Li hard on the back of their heads.
Looking at Zhang Long, he was also frightened, fearing that Wang Shengli's hand would be too heavy and beat Zhang Xiaotong and Liu Li to death.
Zhang Xiaotong was knocked unconscious by Wang Shengli without saying a word.
Liu Li didn't know if it was because her physical condition had improved, so she woke up from her sleep and fought with Wang Shengli, but it was just because Liu Li was beaten with a stick after all.
So he didn't know much about his physical strength, and was eventually defeated by Wang Shengli.
Next, Wang Shengli also searched Zhang Xiaotong's body, found the keys from her body, and put them into his pocket.
Zhang Long was stunned to see this series of operations. He never expected that a loophole would appear in the body of his good brother whom he had always trusted.
Then Wang Shengli walked out of the room after getting the key. However, he came back a few seconds later and began to move Zhang Xiaotong and Liu Li out.
Since this surveillance camera can only capture indoor scenes, after Wang Shengli moved Zhang Xiaotong and Liu Li out, Zhang Long and Anni had no way of knowing what happened next.
"What a piece of shit!"
"Judging from the current situation, he did not kill those two ladies. We should still have a chance."
Annie also comforted Zhang Long, but she could only say these words at the moment.
Zhang Long also couldn’t figure out why Wang Shengli did this and what was his motive?
There are too many things that I can't figure out. At this moment, the only way to know the answer is to find Wang Shengli and Liu Li and Zhang Xiaotong who were kidnapped by him.
"But now we don't know which direction he went, because the place here is so big.
Now that I have the key with me, I can go anywhere.
I really have no clue, it’s like looking for a needle in a haystack.”
"No!"
Annie said: "If it were for other reasons, it might be difficult to find traces.
But since it was your friend who did it.
I think we can still find some clues."
"How to say?"
"Actually, I went to the police academy and studied trace science. We can go out and check the traces on the ground. Maybe we can find something."
"What are you waiting for?
Let us go out together and see if there is anything that can guide us."
After saying that, Zhang Long couldn't wait to rush out of the control room, but the road outside was completely filled with black fog, and he couldn't see his fingers.
To see clearly the traces on the ground is as difficult as climbing to the sky.
"There is no need to look at this door. We can just go to the door of the Black Gate to look. In short, there is no second way here and he will definitely get out."
Zhang Long also slapped his head. He was also confused when he was concerned, completely losing his previous sharpness.
So the two of them hurriedly arrived at the entrance of the Black Gate. At this time, Zhang Long also lit a torch to give Anne light.
Annie also checked carefully, looking at the traces at the door of the Dark Door.
The roads here are all hard, and it would be extremely difficult to see the footprints. Zhang Long also followed behind and looked for a while, but saw nothing.
"The footprints here are very messy, but you can basically see them.
There are five people’s shoe prints in total.”
"Five people?"
Zhang Long's mind is also running rapidly. He, Zhang Xiaotong, Liu Li, and Wang Shengli are already four people. Plus Anne, there are five people. This also shows that besides Wang Shengli, there are no other people at all.
people.
In other words, Wang Shengli did it completely on his own initiative.
But in the end Wang Shengli was alone. He could take the two women with him, but he had to transport Zhang Xiaotong and Liu Li out one by one. He had already got the key, so why bother to do it?