Diary of a Criminal Investigator

Wang Song suggested checking online shopping records and trying to identify the suspect based on the characteristics of their clothing.

Song Mingguang suggested investigating bank employees.

The timing of the robbery coincided with large cash deposits at three branches of the Binzhou City Commercial Bank.

This raises the question of whether someone tipped them off.

Of course, logically speaking, people from the two coal companies who deposited the cash also have suspicions.

So, this angle cannot be ignored.

"Lu Chuan, what are your thoughts?"

Unknowingly, Li Donglin had developed the habit of asking Lu Chuan for his opinion during meetings.

This stemmed from past case-solving experiences.

Often, Lu Chuan could provide some special insights.

Moreover, in this bank robbery case, it was Lu Chuan who discovered how two of the robbers escaped the scene.

This was originally a headache for the Binzhou Criminal Investigation Team because if they couldn’t determine how the robbers left the scene, pursuing them would be futile.

Lu Chuan shook his head: "I don’t have any mature thoughts yet. I want to conduct a crime scene investigation on the retrieved items first to see if there are any discoveries."

On the rooftop of the Cui Family, as well as under the sewer, Lu Chuan conducted a detailed examination of the scene.

He found some clues.

However, there hasn’t been time to analyze them yet. After the meeting, Lu Chuan certainly won’t be able to rest and will have to analyze these clues overnight to see if any directional clues can be found.

"Alright, if no one has any objections, the meeting ends here. Wang Song and Song Mingguang, please work hard to get the investigation results as soon as possible."

Li Donglin then looked at Gao Xiang: "Captain Gao, your Binzhou Criminal Investigation Team should cooperate well. After all, the Major Crimes Unit has limited manpower, and you are more familiar with the situation on your territory."

"Rest assured, Director Li, we will do our utmost to support!"

Gao Qiang also understood clearly that with the Major Crimes Unit here, everything was decided by Li Donglin. All he had to do was provide support and do whatever was asked.

Although the crime scene lab in Binzhou can’t compare to Haizhou City, it’s still decent.

They can perform most verification analyses.

Lu Chuan was already an old acquaintance with the crime scene investigator Wang Hao on this side.

They had cooperated in solving cases several times in the past.

"Captain Lu, we’ll trouble you again this time."

To be honest, Wang Hao felt a bit embarrassed that this was already the third case in less than a year for which the Binzhou Criminal Investigation Team had asked Lu Chuan for help.

Lu Chuan smiled: "There’s no trouble, we’re colleagues, but helping you tonight will be a bit of work for you."

Originally, it had nothing to do with Wang Hao.

Because at the time, the Binzhou Administration Squad didn’t even know how the three suspects had left, much less found any evidence related to them.

But with Lu Chuan involved, there was quite a bit of related evidence to find.

First, there were four cash boxes.

"You collect the fingerprints on them, and I’ll analyze them."

Lu Chuan hoped that the suspects might have left fingerprints on the cash boxes when transferring cash.

Although this possibility is very small, there is still a chance.

Lu Chuan had to perform this comparative analysis.

Many people handle the cash boxes: bank staff, security personnel, but relatively speaking, the handlers are fairly fixed.

The cash boxes in the cash transport vehicle are used with the vehicle.

When the cash transport vehicle reaches its destination, the cash box is opened, the cash inside is taken out, and the boxes are returned to the vehicle.

In other words, logically speaking, only staff from the three branches, the escorts, and vault workers have access to the cash boxes.

And when these people’s identities were recorded, their fingerprints were certainly taken.

As long as Lu Chuan can find fingerprints different from these people’s, it would indicate a problem.

Furthermore, on the rooftop of the Cui Family, Lu Chuan found something interesting.

The robbers on the roof definitely changed clothes after the police left, during which their bodies were inevitably exposed to the air.

Even though they were very careful, they left a big flaw.

A single hair!

A short hair, only one centimeter long.

Currently, this was the most valuable clue Lu Chuan had obtained.

Of course, Lu Chuan hadn’t yet analyzed the hair. It could potentially belong to someone from the Cui Family.

However, this possibility is not very likely.

The rooftop of the Cui Family only showed traces of robbers lying and moving around, with no other signs.

This indicates that nobody from the Cui Family had been on the roof for a while.

Thus, the hair is most likely from a robber.

While Lu Chuan was busy analyzing the evidence, Wang Song and Song Mingguang were also working intensively.

Compared to Song Mingguang, who had specific investigators and targets, Wang Song’s task was quite challenging.

Searching online for bomb disposal suits yields numerous sellers.

A dozen people were working with computers, doing comparisons.

"Everyone, be meticulous and find clothing identical to the robbers’."

Fortunately, there was something encouraging for everyone.

Though there were many sellers of bomb disposal suits online, the types varied.

The bomb disposal suits purchased by the three robbers were full-body, including fingers, a type rarely seen online and generally expensive.

Everyone was comparing the styles of those suits available online.

"Captain Wang, look at this!"

After more than two hours, they finally had a discovery.

Wang Song, upon hearing the shout, rushed over.

"Captain Wang, look at the image of the custom suit from this seller!"

Comparing the photo with his memory of the surveillance footage of the robbers in suit, it seemed very much alike.

"Have you compared them?"

"Yes! Exactly the same!"

The detective who found the clue minimized the webpage, displaying the surveillance screenshot from the robbery.

"Great!"

"Contact them to see if they sold any suits to Binzhou City!"

"Everyone else, continue searching. Try to locate all the sellers offering such suits tonight!"

President Wang’s side had a minor breakthrough, but the matter was far from over.

It’s certain there’s more than one seller of such bomb disposal suits.

So, where exactly the robbers purchased them from remains uncertain..

Investigating this is just one direction, a possibility. The robbers might have obtained the suits offline, rather than through online shopping.

Every possibility exists, and in solving a case, each possibility must be thoroughly examined to rule it out.

On another front, Song Mingguang had obtained the list of all personnel from the three branches via bank executives.

"Contact the Communication Administration to find all their phone numbers."

The bank provided the phone numbers for their staff, but only one for each person.

However, in reality, some individuals may have two or more phone numbers.

This can only be investigated and verified through the Communications Bureau.