Although Qin Yong is now the head of the Criminal Investigation Team, he has always been on the front lines of solving cases for many years.

In the past decade, the murder cases solved in Haizhou City can be said to have been mainly handled or directed by Qin Yong.

This case-solving experience has allowed Qin Yong to develop an exceptionally keen investigative instinct.

The preliminary investigation by Lu Chuan and Liu Guodong into Wang Manli caught Qin Yong's high attention.

The following matters are no longer related to the Crime Scene Investigation.

Tracking, arresting, staking out, interrogation—that's all the work of the action team.

However, Qin Yong said that if this case is solved, Lu Chuan and Liu Guodong would definitely receive the credit.

"You two can go back first. I will personally follow this lead."

With Qin Yong's words, the two felt relieved.

In the Criminal Investigation Team, everyone has their scope of work.

Lu Chuan and Liu Guodong discovered the clue, and they just need to report it. How to follow up and who to assign this clue is a matter for the leadership.

Like what's often portrayed in TV dramas where someone discovers a clue and single-handedly conducts the investigation—that's nonsense.

Never mind whether the case is solved or not, just like the last time with the Liang Qi disappearance case, Lu Chuan earned credit but got a critique for acting independently.

Returning to the Crime Scene Investigation office, Yang Sen and Old Bai gathered around.

"How's it going?"

"What arrangements did Captain Qin make?"

Based on their earlier analysis, this Wang Manli case might not be a minor one.

However, now the entire team—or rather, the entire bureau's resources and police force—are focused on the Song Kun murder case.

So it's uncertain whether this lead will catch Captain Qin's attention.

Liu Guodong remained silent, holding his enamel cup calmly, while Lu Chuan quickly responded, "Captain Qin said he will personally follow this lead."

"Personally follow?"

"Yes," Lu Chuan nodded, "We analyzed that since there's a problem with Wang Manli, it is very likely related to Gao Sheng's disappearance."

"And the last case Song Kun was investigating before he died was the Gao Sheng disappearance case, so there might be some connection here."

The discussion at the Crime Scene Investigation office continued, while on Qin Yong's side, actions had already been initiated.

This time, Qin Yong really did follow up personally because there was no one else.

The various action teams all had their tasks now, with everyone outside.

The four criminal policemen on duty today set out together.

Qingsong Medical Examination Center.

"Wang Manli, we are criminal police from Haizhou City's Criminal Investigation Team. Due to reports, we suspect your large assets have unclear origins. We are now taking you into custody. Please come with us to assist in the investigation."

"Here is the custody warrant. Please sign and fingerprint here."

Custody differs greatly from regular summons.

Most of the time, the Criminal Investigation Team employs summons for questioning.

This is a more flexible way of questioning, where the investigating police can request the summoned person to go to a designated place for questioning by showing their credentials.

This designated place doesn't necessarily have to be the police station; it can be an office, home, or any location.

The investigation by Lu Chuan and Liu Guodong on Wang Manli yesterday was actually a type of summons.

It's just that the summons location was in the reception room of the Qingsong Medical Examination Center.

Custody is different from summons; custody comes with compulsion.

And it requires the person being detained to sign and fingerprint the custody warrant, with the custody location most often being an interrogation room at the police station.

But like summons, both cannot exceed twelve hours in duration.

Wang Manli, working in the blood test department, turned pale as she faced Qin Yong and others in police uniforms, stammering, "I... I didn't commit any crime..."

"My income is all legitimate income..."

"This time we've come to ask you to cooperate with the investigation. If there's no issue, you can come back soon."

Qin Yong also felt somewhat emotional; it's been a while since he has been head of the Criminal Investigation Team, and this is his first time personally detaining a suspected criminal.

This kind of minor task used to be handled by police officers from the local station or frontline investigators.

But now, there's no other way; even the forensic department has gone to the front lines, so as the head, he can't just stay at the back all the time.

The process of custody was smooth; of course, not every custody process goes smoothly.

In past cases, there have been those who refuse to sign and attempt to escape.

There are basically two situations like this: first, the person is indeed a suspect in the case.

Second, the person has another case to answer for.

Otherwise, who would risk arrest and try to run?

The entire process of custody took less than ten minutes.

The staff at the Qingsong Medical Examination Center watched as the police car, carrying away the beauty from the blood test department, sped off, immediately causing a commotion.

"Who reported this?"

"Who knows, but it must be someone from our center."

"Manli... Wang Manli isn't really in trouble, is she?"

"Who knows, she drives a BMW, and a single LV bag is enough for a year's salary for me... Can't figure out why she's putting up with this here."

Wang Manli was quite a particular figure at the Qingsong Medical Examination Center.

You'd say she isn't a second-generation rich, yet she drives a BMW worth hundreds of thousands, wears all branded clothes, and a single handbag could equal a year's salary for others.

But you'd say she is a second-generation rich, yet you don't see any rich kid working hard in a medical examination center.

Initially, many thought maybe Wang Manli was hooked up with some wealthy man.

But over the past three years, Wang Manli barely had any interactions with any men.

Just like other nurses, she worked normally, worked overtime normally, brought in clients normally, and collected her salary normally.

Wang Manli's money gradually became a mystery at Qingsong Medical Examination Center.

Now it appears that there indeed was a problem.

Yesterday, two policemen came by; today, she was directly taken away.

Before the routine questioning, Qin Yong customarily arranged for someone to collect Wang Manli's fingerprints, footprints, and DNA information.

This has become routine; everyone entering the Criminal Investigation Team shouldn't expect to leave with their personal information untouched.

The Crime Scene Investigation office was naturally responsible for this task.

Yang Sen volunteered to bring back the collected information: "Lu, the fingerprints and footprints of Wang Manli have been collected, you can enter them into the system."

"I'll go check on the DNA information."

Lu Chuan took over the file handed by Old Bai, opened the computer, and began the entry.

This procedure is not only common in the Criminal Investigation Team but also in police stations.

Everyone who comes in, whether for business or causing trouble, has to leave behind these basic pieces of information.

Of course, at the police station, they mostly just collect fingerprints; it's only in the Criminal Investigation Team that footprints and DNA information are also collected.

Entering fingerprints is straightforward; you just need to scan the fingerprint info from the collection card using a scanner.

This is a bit old-fashioned: both collection card and digital system are used.

But it's not necessary to be so cumbersome in grassroots police stations.

These past few years, with increased funding, grassroots stations have been fitted with fingerprint capture devices.

Those being collected only need to place all ten fingers repeatedly and at different angles on the capture screen, and the fingerprint data will get entered into the system.

It's somewhat similar to the fingerprint clock-in machines at common workplaces.

Just with higher precision and more accurate fingerprint capture.

Inputting all ten fingerprints took less than two minutes.

Next is the footprint entry.

But when Lu Chuan saw the footprint image on the collection card, it was like a bolt of lightning flashed through his mind!

So that's how it is!

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