National Forensic Doctor
Chapter 330 - 330 298 Ink Powder

330: Chapter 298 Ink Powder 330: Chapter 298 Ink Powder Wang Bo’s running under the sunlight had already caught the attention of Yu Wenshu.

The sound of rapid footsteps immediately made Comrade Yu Wenshu realize that there were fruitful results from the crime scene investigation.

Yu Wenshu was originally downstairs organizing personnel, attempting to follow the accountant’s social connections to find leads—just in case it was the accountant himself who had hit someone else’s child, pushed over someone else’s elder, or stolen someone else’s food delivery, which could have triggered the culprit’s violent nature, then the case would be solved directly.

However, Yu Wenshu’s inclination was still more towards a robbery-homicide, so, sensing a breakthrough from Jiang Yuan, he immediately set aside other matters and returned to the scene.

He Guohua was holding a crime scene examination light, changing wavelengths while searching for fingerprints on a window frame.

Upon seeing this, Yu Wenshu couldn’t help but feel a bit excited and asked, “Could we find the murderer’s fingerprints?”

“It’s possible,” Jiang Yuan casually replied.

Yu Wenshu immediately widened his eyes, “Eh, can we find them?

Are you sure?”

“It’s possible.

We don’t know yet; Xiao Bo has gone to get something,” Jiang Yuan had no more to say and could only reply like this.

Yu Wenshu hummed in agreement twice, quickly trying to suppress his slightly excited emotions.

Being the captain of the Criminal Police Brigade, he was originally a master at controlling emotions, but this case was indeed wearing on him.

Despite the case occurring just today, from the time the crime happened until now, Yu Wenshu hadn’t had a moment’s rest, and the entire Criminal Police Brigade had been busy as well.

When a robbery-murder case faced difficulties, it truly became complicated.

Watching the case slip further down with each step, Yu Wenshu’s anxiety multiplied.

Most of all, as the year was coming to an end and considering the efforts devoted by everyone for such a long time, if this current homicide were to nullify their achievements, Yu Wenshu, as the leader, felt a sense of guilt.

Yet the case at hand was slippery and evasive.

Based on Yu Wenshu’s experience, this case bore the hallmarks of a habitual offender specializing in itinerant crime.

Construction sites were places where all sorts of people mixed together.

With the current labor market, migrant workers usually demanded daily wages, and there wasn’t much requirement for identification documents such as ID cards.

Within this kind of environment, it was inevitable that fugitives would be present.

Even without a fugitive personally working on the site, by simply chatting with some workers, he could learn where there was recent hiring, where payments were being made.

And their chatting spots could be temporary dorms where roommates were strangers to each other or just a random meal on the street among people who just met.

That meant this lead might very well get nowhere.

If pursuing the line of the murderer’s source of information led nowhere, Yu Wenshu’s second thought was to follow the pattern of the murderer’s modus operandi.

Yu Wenshu was already arranging this work below.

With a strong physique and familiarity with construction sites, robbing construction sites of cash and the like were very much in keeping with the modus operandi of a fugitive.

If it was a pattern, it might have been repeatedly used.

However, in the past, there might not have been any fatalities or even serious injuries, which led to various places treating them as isolated incidents.

But Yu Wenshu knew very well that even if his conjectures could be verified, the subsequent investigative process would still be complex.

The very reason a fugitive was labeled as such was at least because they had successfully eluded capture for some time.

These criminals, gradually adapting to a fugitive’s life, are not easy to identify or arrest.

If Jiang Yuan could find prints, then from the perspective of investigative pressure, solving the case would turn into a manhunt, at least preserving the current case’s 300 points.

On the other hand, conducting a manhunt in these circumstances is a bit easier than solving the case.

Yu Wenshu was so eager to have Jiang Yuan over, partly because he wanted to trap the person within Changyang City.

For a case that had just occurred today, it was unlikely for the murderer to have dealt with the cash amounting to over a hundred thousand yuan already, so the probability of them carrying it out of the city was relatively low.

But after today, he could very likely find an appropriate means of transportation or a way to liquidate the funds.

Yu Wenshu had originally had high expectations for Jiang Yuan’s on-site investigation capabilities.

Unable to continue waiting, he simply stood above and asked, “What’s the problem with this window?”

“The murderer jumped out the window,” Jiang Yuan observed, then repeated what he had said earlier to Yu Wenshu.

Yu Wenshu was stunned, “So, you’re saying you’ve already identified the murderer’s footprints?”

“Yes,” Jiang Yuan nodded.

“That’s good news.

Uh, send me a photo of the footprints.

I’ll have someone look for the distribution of the murderer’s footprints below, immediately,” Yu Wenshu, who was quite clever, immediately found a way to utilize the footprints.

Now it was Jiang Yuan’s turn to slap his forehead, “I forgot.

He Guohua, send a copy to Chief Yu.”

The strategy proposed by Yu Wenshu was indeed useful.

Currently, there were many footprints within the construction site, including those of the murderer and everyone going in and out; it was almost impossible not to leave footprints.

The reason they couldn’t be used was that there were too many footprints, and more importantly, they didn’t know what the murderer’s footprints looked like.

Now that they knew, the forensic and crime scene investigators in Changyang City could find all such footprints on the construction site and see from where the murderer entered and exited the site.

Although the value of the construction site as a crime scene was less compared to the one inside the room, if they could ascertain the murderer’s route, it would still push the case forward significantly.

If the murderer had been to the room where the workers played cards, then the possibility of an inside job could be considered.

If the murderer’s route was straightforward, then the likelihood of a premeditated act could be contemplated, and so on…

He Guohua swiftly sent the photos of the footprints to Yu Wenshu.

Yu Wenshu immediately got to work and asked, “Can you tell anything from the footprints?”

“The murderer is about 30, fairly light, most likely less than 130 pounds, around 165 centimeters tall, male…” Jiang Yuan had already closely examined the footprints earlier and now directly reported his conclusions.

Yu Wenshu immediately repeated Jiang Yuan’s assessment to his subordinates.

Around the same time, Wang Bo also ran back.

“I dismantled an ink cartridge from a printer,” Wang Bo said as he handed Jiang Yuan a bottle containing nearly half a bottle of printer toner, and asked, “What now?”

“Now we mix the toner with magnetic powder and try to develop the prints.

A feather brush would be best,” Jiang Yuan gave a detailed plan and said, “When the murderer jumped out the window, there’s a very high chance he used his hands to support himself, the contact was brief and with a lot of force, that kind of fingerprint might have been missed, and actually, it’s not easy to develop.”

As Jiang Yuan spoke, He Guohua nodded vigorously.

There were too many fingerprints here; no one could collect them all.

It was only after highlighting the distinctiveness of the fingerprints that the clues could be connected.

The work that the men were doing now was proving its value.

For ordinary fingerprints, revealing them directly was straightforward with magnetic powder.

But it was the unremarkable prints that were of no use.

Jiang Yuan and He Guohua were like two old playboys, dismissing the easily revealed prints with just a photograph.

Only after Jiang Yuan used the magnetic powder and printer toner with a feather brush, gently dabbing with the tip of the brush repeatedly on the windowsill, did the shyly emerging fingerprints become highly regarded by the two men.

“I’ll compare them first,” Jiang Yuan said as he received the prints and began to analyze the minutiae on the spot.

He Guohua started wrapping up the work.

Yu Wenshu was bursting with excitement, yet didn’t dare to disturb Jiang Yuan.

He couldn’t help but think that if this was purely a case of robbery-murder, the sentence would be heavier than that of a standard homicide, with death penalty followed by immediate execution being likely.

Meaning, if this case were solved and the murderer caught, his life would essentially be on a countdown.

Ningtai Jiangyuan, with his fierce and raging momentum.

Indeed, it was so.