Ma Xuexian followed Song He's instructions and decisively stopped Song He when the three of them came to the door of the witness's house.

When Song He heard this, he clapped his tongue with unfinished thoughts and said to Liu Hao, "Business matters are more important. Let's talk to the witnesses first, and I'll tell you about the cases another day."

Liu Hao was also very interested in the case Song He mentioned. He nodded with a smile and went up to knock on the door.

Soon, witnesses who had been notified in advance ushered the three people into the house.

Song He started to ask after Liu Hao briefly introduced his intention.

An hour later, the questioning was over, and the three of them thanked the host and left.

On the way back, Song He, who learned some new details, began to restore the case process, while Liu Hao on the side suppressed the doubts in his heart and did not dare to speak rashly for fear of interrupting Song He's thoughts.

"Xiao Liu." Song He suddenly spoke softly, but Liu Hao was startled.

However, before Liu Hao came to his senses, Song He had already asked, "In the direction where the murderer fled after killing five years ago, which construction sites were supervised by the male deceased, you should have investigated it, right?"

"I checked, Consultant Song." Liu Hao thought for a moment and said, "But there is nothing abnormal."

"It should be that you didn't find it." Song He said with great certainty, and then explained, "The murder weapon used to kill the deceased was a dagger more than 20 centimeters long. The forensic doctor also speculated that the dagger had no hilt and a handle.

Most likely I processed it myself.”

"Based on the puncture wounds on the two deceased persons, the dagger was about 16 millimeters wide, the blade was about 15 centimeters long, and the handle was no shorter than 10 centimeters."

"Coupled with the fact that the gangster's excessive force caused the handle to penetrate into the wound, we can basically conclude that this is a dagger that is more than 27 centimeters long and was processed privately."

"However, what you don't know is that among the building materials, there is a specification of threaded steel bars with a diameter of exactly sixteen millimeters. In addition, the construction site has a large number of steel processing and cutting tools. It is simply impossible to make such a dagger.

would attract anyone’s attention.”

Liu Hao, who was sitting in the back seat of the car, stared at Song He dumbfounded. Little did he know that this was something Song He had already guessed in the afternoon meeting room, and he just said it again at this time.

"And this kind of rebar has another advantage." Song He seemed not to notice Liu Hao's surprise. He paused and continued, "That is, the threads on its surface will be very easy to grasp. Even if the steel bar is more than 20 centimeters, it will be easy to grasp."

If you hold it lightly, the possibility of losing your hands is extremely small.”

"At the same time, because part of the handle is deep into the wound of the deceased, there must be blood residue from the victim on the threads of this part."

"And the murderer did not throw away the murder weapon after the murder, which means that he always carried the dagger with him."

"So, if we can investigate the construction site as soon as possible after the incident, find the construction site where this type of rebar has been used, and then check the whereabouts of the steel, we will definitely gain something."

Liu Haoran finally came to his senses at this time and stammered, "Cocoa"

Song He understood what Liu Hao wanted to express, shook his head and sighed, "But now five years have passed, and there is no way to trace it."

"Consultant Song, what should we do?" Liu Hao asked with implicit expectation, hoping that Song He could find new clues.

"Don't worry, as long as you look carefully for clues, you can always find them." Song He's words rekindled Liu Hao's hope, and he continued to speak.

"First collect all the project information that the deceased male had supervised, then compare it with the people who had conflicts with him, and then screen the construction projects under these people's names to see if rebar of this specification has been used."

"A person who meets these three conditions at the same time is a suspect."

Liu Haoran was sincerely convinced, "Consultant Song, I understand. I will compare the information tonight and promise to send the information to you as soon as possible tomorrow morning."

Song He thanked him after hearing this, and then secretly looked at each other with Ma Xuexian, both of whom were very satisfied with Liu Hao's initiative.

Leaning comfortably on the backrest of the co-pilot, Song Hexindao had been brainwashing for so long before he became more positive. It seems that the old man's brainwashing skills are very deep.

When they returned to the guest house, Wu Xuerui and Zhou Kai had returned, and Song He quickly went up to inquire about the progress.

Wu Xuerui looked at Song He's curious look and deliberately put it off before saying, "We have pointed out some suspicious places on the female deceased. Hu Yu is really interested. He will definitely report it to Zhang Jinxiang tonight, and it is estimated that it will be reported to Zhang Jinxiang as soon as tomorrow.

Her information should have been collected."

Song He nodded when he heard the words, and after recounting what he and Ma Xuexian had learned, he said slowly

"Just like what we reasoned in the afternoon, if the murderer only targeted the female deceased, he could have killed her when she went out alone. There is no need to kill both husband and wife at the same time."

"So there must be a reason for killing the male deceased. Therefore, whether this behavior was instigated by someone or has special significance to the murderer, we must conduct relevant investigations."

"And this time, when two lines of investigation are being carried out at the same time, the Wu'an County Police Department should also rectify it."

"By the way, we have some clues about what you asked us to investigate." Zhou Kai suddenly said with a strange look on his face, "This Hu Yu is a bit interesting."

That night, Liu Hao, who had been successfully brainwashed by Song He, had just hung up the reporting call to Zhang Jinxiang and devoted himself enthusiastically to the tedious information screening work.

As for Hu Yu, who was traveling with Zhou Kai and Wu Xuerui, he dialed Zhang Jinxiang's number just after returning to his home and calmly reported what he saw and heard in the afternoon.

However, after Zhang Jinxiang encouraged and praised him, Hu Yu hung up the phone with a respectful tone, and then dialed a number very skillfully and said calmly and competently, "Leader, I will assist the assistance team this afternoon."

The next day, Song He and his party did not go to the police station. On the one hand, Zhou Kai did not want to chat with Zhang Jinxiang anymore. On the other hand, Hu Yu and Liu Hao came directly to the guest house and simply started interviewing witnesses.

But before that, they had to destroy the breakfast they brought.

"This is what you arranged, right?" Zhou Kai looked at the surprisingly large breakfast in the hands of Hu and Liu, and glared at Song He.

Song He waved his hand and said, "Don't worry, I paid you."

After that, he took the soy milk from Liu Hao and drank it all with a straw in his mouth.

After eating breakfast for five people, Song Tong finally breathed a sigh of relief and got into the co-pilot of the police car.

Zhou Kai and others smiled at each other, got into police cars, and followed the plan to interview the witnesses of the case.

Song He looked at Hu Yu who was driving in the other direction, casually took the information handed over by Liu Hao, flipped through it with a smile for a moment and then praised, "Xiao Liu, you did a good job with this information."

“Clearly organized and detailed information, results and screening process are in place.”

"Really?" Liu Hao adjusted his glasses excitedly, his face turning red.

Song He smiled gently, "Of course it's true. Although there are still some areas that need to be improved, the flaws don't hide the advantages. Good is good."
Chapter completed!