The Chaoyang Investigation Bureau, bathed in lights.
Inside the interrogation room.
According to Qian Fangzhi's confession, he encountered two people, one fat and one thin, at the intersection of Shenjia Village and smelled a distinct odor similar to that of an auto repair shop.
In the other interrogation room, Song Yunchao was also asked if he had smelled that odor.
Upon being reminded, Song Yunchao immediately showed a look of sudden enlightenment:
Yes, yes, yes!
I can smell it.
The two people had a very distinct scent.
It's a bit like engine oil, mixed with burning leather.
It smells awful!
I remember complaining about those two to my brother back then!
...
Inside the office.
Shen Ting looked at the interrogation video on the screen in front of him and said thoughtfully:
"The two people that Song Yunchao and Qian Fangzhi saw are the real culprits, that should be it."
The contrasting body types of the two suspects, one fat and one thin, largely matched the approximate weight I deduced from the shoe prints.
and!
Previously, the forensic laboratory identified oil stains in the fibers under Zhao Huimei's fingernails and in Wu Liqun's wound.
And it can be confirmed that it is mineral oil!
This matches the pungent odor that Song Yunchao and Qian Fangzhi smelled on the suspect.
Zheng Yuanqiao, standing beside him, nodded emphatically, but his brows remained furrowed.
"pity!
These two guys didn't see the killer's face.
There are countless occasions where this engine oil smell can accumulate.
Any place involving mechanical work may become contaminated.
But the most common type is still the auto repair shop?
Perhaps we could look up auto repair shops in Chaoyang District?
"Let's see if we can find any suspicious individuals."
This direction is worth investigating, but Shen Ting is not optimistic about it.
The smell wasn't quite distinctive enough.
Auto repair shops, appliance repair shops, machine processing plants, and so on, may all be contaminated with that kind of smell.
Of course, with sufficient police force now, it doesn't matter if we try our luck.
"As for the vehicles, we can also track them down."
Shen Ting pondered.
How the suspect got to the intersection of Shenjia Village was a point of contention raised by Song Yunchao and Qian Fangzhi.
Those two people, one fat and one thin, weren't driving?
How did they get here?
There's no village or shop in sight around Shenjia Village, so it's impossible that they walked all the way here.
"Either they took a taxi, or they hid the car nearby."
"In either case, find the surveillance footage at the intersection closest to Shenjia Village."
It's still quite necessary to check the cars and motorcycles that traveled towards Shenjia Village in the period leading up to the incident.
Since it was easier for Shen Ting to obtain surveillance footage, this task was assigned to the members of the crime-solving team.
He immediately shared the relevant surveillance footage, uploaded it to the case-solving group, and briefly explained the situation to everyone.
Kiko: "Don't worry, boss, leave the task of checking the surveillance footage to me!"
︿(￣︶￣)︿”
Shen Ting originally wanted to have a brief chat with everyone, but his phone suddenly rang.
He immediately left the crime-solving group chat and saw that it was Guan Guandu calling.
"Is there a lead from the motorcycle repair shop?"
Or perhaps it's a lead from Zhao Weijun's side?
Guan Guandu was originally in charge of investigating Zhao Weijun, Wu Liqun's engineering team's competitor.
After the most intense initial investigation, he didn't need that many people on his end.
Therefore, they also took on the task of investigating motorcycle malfunctions.
Filled with anticipation, Shen Ting quickly answered the call:
"Director Guan, have you made any new discoveries?"
I guess so!
But it's probably not that important.
Guan Guan seemed to have low interest:
"It's Wu Liqun's malfunctioning motorcycle; we've found a clue."
After questioning his relatives and the construction team members, we roughly confirmed the location where Wu Liqun repaired motorcycles.
After visiting several places, I finally found a place to repair motorcycles.
This is a fairly large auto repair shop.
After speaking with the staff, it was basically confirmed that Wu Liqun repaired motorcycles here.
They also found a replaced, faulty engine.
Wu Liqun's motorcycle was last damaged about three weeks ago.
The repair shop hasn't had time to fix the engine yet.
"Repairman, do you remember the motorcycle engine? What's the specific problem?"
"Remember!
The staff member said that he was quite impressed with Wu Liqun.
It's rare to see a customer whose engine breaks down three times in a short period of time.
The staff said that the reason for the motorcycle damage was the same in all three cases.
Both were caused by foreign objects inside the engine.
It is suspected that the fuel tank cap was not properly sealed, or that Wu Liqun's operation was improper, causing a foreign object from his hand to fall into the fuel tank while he was closing the cap.
"Do they know what kind of foreign object it is?"
I don't know about that.
These repair shops only care about finding problems and fixing them.
They won't concern themselves with overly detailed issues.
"All right!
Finding the engine is a significant achievement.
So, bring the engine back and let the forensic laboratory examine it carefully.
Wu Liqun's motorcycle used to have only minor problems.
His usage habits should be fine.
It's a bit unusual that they're breaking down one after another for the same reason.
If we can identify what the foreign object is, it might open up new avenues of thought.
"Team Leader Shen, do you mean that someone deliberately put foreign objects into Wu Liqun's motorcycle fuel tank?"
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