"You didn't see the murderer?" I was a little surprised.

The reason why I was surprised was because of the floor structure of that neighborhood and the location of the room where Shan Weiguo lived.

He lives at the end of the third floor, and only one side of the aisle leads to the stairs and elevator. This aisle is very long, at least a few tens of meters long. In other words, if the incident really happened in these few seconds, then when Wu Zhen rushed out, it should be impossible for the murderer to run out of sight during this time period.

Unless the killer is a professional runner in the 100-meter sprint, that's still possible.

But if it's an ordinary person....... It's a fantasy.

"Were you very responsive at that time? I mean, did you rush out the door when you saw Shan Weiguo come in? ”

Wu Zhen nodded vigorously.

"Officer, you know I'm a fighter. So my reaction speed is still very fast. When I saw Shan Weiguo walk in with a sharp knife in his chest, it should have been less than two seconds between the time I rushed out and tried to chase the murderer. You know ......."

He paused, but I understood what he meant by the second half of his sentence.

If you want to run the entire corridor, you need to be about 30 meters long. I have no doubts about Wu Zhen's judgment about time. Even if there is an error in his reaction, it will be within three seconds at most. However, how could the murderer run dozens of meters in two or three seconds?

It's incredible. And Wu Zhen's description and his current state are too normal, and there is no suspicion of lying.

Wu Zhen is indeed not a murderer, the murderer is someone else.

"And what did you do after that? Why didn't you call the police? ”

"At that time, I wanted to call the police, but Zhao Lingle didn't let me call the police. Because she thinks the police will think that the two of us are murderers. ”

"Why does she think that?"

"Because she thinks the killer has escaped, but we don't have any evidence that we are not the murderers. And we didn't see the murderer either, so the police would think we were the murderer. ”

"So you agreed at the time?"

Wu Zhen nodded. And said:

"I agreed with what he said at the time. In fact, when I was supporting Shang Weiguo, my hand had already touched the murder weapon. So my fingerprints were left on the murder weapon. But if we wipe off the fingerprints on it, we will also wipe off the fingerprints of the murderer. So we took the knife off the corpse. ”

Hearing what he said, I stood up excitedly and asked:

"Is that knife still in your house?"

Wu Zhen nodded and said, "Yes, it was hidden by me." ”

"We need that knife, can you give it to us?"

"Okay."

After that, we released Wu Zhen and Zhao Lingle because they were indeed not murderers, and they used masks and hats to disguise themselves just to avoid the suspicion of the police. But what they don't know is that such behavior has only raised greater suspicions in us.

Later, Wu Zhen sent the knife to our police station. We also did an analysis of that knife. However, there are no fingerprints or valid identification information on it. The only thing that can be judged is that it is a knife from the army.

The reason why it is believed that this is a knife from the army is that this knife not only has a special configuration in the army, but also makes a blood groove in the position of its body, which makes it easier to pull out when using the knife to insert into an object.

Could it be that the murderer was a military man?

If he was really a military man, then this person was likely related to the deceased. Or that briefcase in the hands of the deceased was exactly what the murderer needed. In that briefcase, there are most likely important information documents!

According to Wu Zhen's description, we can know that after the murderer killed someone, he first fled. But instead of fleeing the neighborhood immediately, he hid in a place. After he waited for Wu Zhen and the others to leave the room, he returned to the room.

And he went back to the room to find the briefcase!

And when he left the room, he didn't even close the door.

The investigation of the case has reached this point, and we may need to investigate the situation of Shan Weiguo in the army.

Wait, I suddenly realized something.

Since Wu Zhen said that Shan Weiguo answered a phone call and then ran out in a hurry, it means that the person called him to go out. But the problem is that we did not find the phone on the deceased's body, which means that the murderer took the phone as well.

I quickly called the staff of the technical section.

"Will you be able to find Shan Weiguo's phone?"

"As long as his phone hasn't changed, then we can find his location based on the GPS positioning system on the phone." Here's what the technical section said.

"Okay, then I need you to track down Xiang Weiguo's phone immediately. This is important. ”

The personnel of the technical section acted immediately, and they turned on the tracking system. and traced Shan Weiguo's mobile phone number. Then they immediately started positioning.

The speed of positioning is fast. We immediately found the location of the phone. According to what is shown on the map, the man with the phone did not leave the city of S, that is, he was still in the city a few days after the killing.

"Team Shao, according to the positioning of the mobile phone, the person holding the mobile phone is not moving now. That is, he is now in a fixed position. The map shows that he is in a café on the east side of the mall. ”

"Get someone to the location of that café right now, we need to arrest him now." I gave the order, and immediately went out with my comrades.

In fact, I am very puzzled now why this person did not leave the city immediately after killing someone. Instead, as you can see, he sat leisurely in the café, as if waiting for us to arrest him.

Could it be that he is not the person holding the phone now? Chances are, he's already resold the phone to another person, or even dumped it right in the café, so that's why we're locating it.

But no matter what, as long as we can find Shan Weiguo's phone, then we may be able to find some clues in his phone. Regardless of whether these clues are related to the murderer or not, we can follow the clues and find the murderer.

By the time we arrived at the café, the location of the phone shown on the map had still not moved. Our hope is very slim.