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My Roommate is a Detective

♔ Follow @skysoultan on Instagram ♔ Episode 16

You two are really here.

Why are you here?

Where there is a case there is me.

How did you know there is a case?

I have eyes and ears all over Shanghai.

[Laboratory of Medical School, St. George's University acetylsalicylic acid]

Is there any new lead?

No.

Why are you so fascinated then?

This is acetylsalicylic acid.

What acid?

In layman's term, aspirin.

It's normal for a medical school to have this.

On the eleventh day of Hoffman's synthesis of heroin,

he discovered it.

Heroin?

What are you trying to do?

I'm thinking

when I can also invent something that can

make a lot of money.

Focus.

This case must be solved as soon as possible.

Why is that?

The board members of St. George University are all tycoons from all fields.

If you guys can't solve the case soon,

they will definitely pressure

the Municipal Council to get someone else to investigate.

By then you will lose your job

and you will lose your face.

When was I ever afraid of losing face?

If I lose my job, I will go to your house to be a freeloader.

I just examined that scene.

It was really not easy to kill someone in that classroom.

The dissection room has only one exit.

The glass tank for the human specimen is opposite the door.

From the specimen to the door,

you need to pass the dissection table in the middle,

which is the teaching spot of the medical school.

So if someone wants to do anything to the body,

they will definitely be found.

There is a window on one side of the classroom.

At that time, all the students were standing around the dissection platform at the center.

That also rules out the possibility of

someone entering through the window.

They couldn't have escaped the eyes of everyone.

It's impossible for humans to do so.

But what about other things?

It's hard to say.

What do you mean?

This is a medical school.

It's a haunted place.

Look.

Close your eyes.

Over here,

Over here, and here.

There are ghosts stuck in purgatory everywhere.

"Ghost of a Medical School Seeking Revenge".

This title can guarantee a good sale!

We need to find out the background of the victim as soon as possible.

Guan Dailiang,

native of Shanghai.

Doctor of Medicine.

He used to teach Infectious Diseases.

He received patients every Monday, Wednesday, and Friday.

Made house calls occasionally.

Mother died very early.

Father just died recently.

He also had a younger brother.

Their family is well off.

He was single

and broke up with his girlfriend three months ago,

and he isn't seeing anyone at the moment.

He has a sweet tooth.

No unhealthy habits.

I'm impressed.

I am after all a reporter.

What about you? Any new discovery?

We questioned the students there at the time

and confirmed two things.

First of all,

in that class

the lecturer and all the students entered the classroom together.

So they could confirm that there was no one in the classroom before the class started.

Secondly,

Nobody in or out

during the class.

That means the body was already in the tank when the class started.

There is another possibility.

The lecturer and students make perjury together

because they killed the victim together.

No.

the status of the corpse tells that

he by no means just died this morning.

If he died in there long time ago,

didn't anyone find out before?

Will you go face to face with a dead guy

and look affectionately into his eyes?

Normal people will never notice

what a human specimen looks like.

There is another important information.

Someone said

they saw Guan Dailiang enter the laboratory building two days ago

and no one saw him ever come out again.

Who else entered the laboratory building?

Our killer may be among them.

It's all in here.

[In-out register of Lab Building of Medical School, St. George's University]

So many people.

It's a bit difficult to investigate so many suspects.

So

we have to wait for the autopsy report to come out

to confirm the time of death

and narrow down our suspect list.

You also need to send someone to check

where they got

the previous body in the tank.

I did.

They found the body by the northern wall of the campus.

They found a body but instead of calling the police,

they just dissected him?

They did call the police.

Two officers went to the scene.

But when they saw the body was highly decomposed,

they didn't want to take the body so

they just let the medical school take care of it.

They didn't bother to find out his identity?

That's it?

So perfunctory.

Then check it yourself.

Let's wait until the autopsy report comes out.

So far, I have narrowed

the time of death

to between 12 o'clock and 4 a.m. last night.

The cause of death?

I can't find out yet

because of the formalin he was soaking in.

Try your best to find.

Notify me if there's any update.

Ok. I will.

During this time period of his death,

only three people entered the laboratory building.

[In-out register of Lab Building of Medical School, St. George's University]

Twelve o'clock, Guan Maoliang.

One o'clock, Lin Ai.

Half past two, Liu Yansheng.

Salim!

Yes, sir.

What's your relationship with Guan Dailiang?

He is my brother.

I know he was a well-known medical doctor

I know him.

We got our doctor's degree at the same time.

Did you see him yesterday?

No.

I was in our class's lab yesterday

doing experiment.

Never met him in my life.

I went to his house to talk about personal matters of mine.

I left after a short while.

Can someone prove that?

No.

I was alone in the lab.

Can the experimental results prove it?

I talked to him about personal matters.

How would someone else be present?

Do you have any conflict with the victim?

I have never met him!

What conflict can we possibly have?

No, we got along very well.

He was

eccentric

and had a sharp tongue.

There was one time

I was so angry that I almost hit him.

To tell you the truth,

many people in the school wanted to beat him up.

According to the time of Guan Dailiang's death,

you have a major suspicion.

Come on, detective!

He was fine when I left.

If wanting to beat him up was a crime,

then I plead guilty.

He was in his lab.

I was in my lab.

We never met.

If you insist I killed him,

please bring out some evidence.

How can I manage to kill him?

Who is our biggest suspect among the three of them?

How do I know?

You expect me to just ask a few questions

and then they will just confess?

You think the murderer is stupid?

You didn't find anything strange

during the interrogation?

I'm not God.

And I can't read people's mind.

Moreover

even if anyone of them had seen Guan Dailiang at that period when he died,

that doesn't mean he or she killed him.

Even if they did kill him,

we have to have evidence.

Instead of asking me here

you might as well check the background of these three.

I already did.

Tell me when you got any news.

Where are you going now?

Since the living won't talk,

I am going to ask the dead.

Are there any new developments?

Not yet.

That's understandable.

The pungent smell of formalin

can slow anyone's brain.

Actually I like this smell.

I was happy when I smelled this

even when I was a kid.

That's why I chose this to be my job.

Does the body show signs of poisoning?

Not yet.

Not yet?

Why is it always "not yet"?

I want some confirmed information!

Don't just examine his body.

Check his head, too.

Inspector, take a look.

His oral cavity, nasal cavity, esophagus and trachea

are all corroded badly.

This method of death is really not coroner-friendly.

Give me some more time.

Oral cavity,

nasal cavity,

esophagus,

and trachea?

Where are you going?

Can't you say something before leaving?

I am so hungry.

I'll have someone bring you a bowl of wonton.

Inspector Qiao.

I'd prefer a steak if it's OK.

I'd like it rare.

Something that just looks like this color.

Look at this.

Believe it or not I will chase you and throw you in formalin?

Want to chase me?

Sure, you can.

But you need to show your sincerity first.

Why are we here?

The body isn't here anymore.

I am here to hear the last words of the dead,

What did you hear then?

He says,

"Bai Youning!"

Do you want to know

how you will die?

Interesting.

What is this?

Scale?

Or dust?

Neither.

What is it then?

I already know

why the body opened his eyes and mouth after death.

Why?

Tell me.

Please?

The brown powder

is a compound produced

after potassium permanganate reacts with formalin.

So?

5HCHO

Speak Mandarin!

Formalin is an aqueous solution of formaldehyde.

Potassium permanganate is a strong oxidant.

The two reacting together

will produce a lot of corrosive gases.

So that means…

Yes.

This is…

No, wait.

You said, "So that means"

It seems like you already know what happened.

Tell me what you know then.

OK, OK!

I'll say.

The killer put potassium permanganate into the body.

After potassium permanganate reacted with formalin,

the reaction generated a lot of corrosive gases

which came out from any outlet of the body such as

his mouth, nose, or eyes.

It caused the effect of the body coming back to life with open mouth and eyes.

So his face and head

were corroded beyond recognition

because of the chemical reaction?

Yes.

You just want to scare me again, right?

Let's go!

Did you hear that?

In the lab!

Stop! Freeze!

This is the third floor.

I have to get him even if it's the tenth floor.

Let me.

Hold this.

Hurry up!

The stairs might be faster.

You pussy.

Leave

Let's go!

I'll die if I run further.

You go without me.

Wait.

Why?

Don't go after that person alone.

Why not?

If something happens to you,

your dad and Qiao would come after me.

I don't want to pay with my life.

I don't need you to pay with your life.

Forget it.

Let go!

Forget it.

I finally found a lead!

We can always start over again.

But if something happens to you,

where can I find such a perfect roommate?

Cut the sweet talk.

When I was in university,

my roommate didn't take a shower for days.

I prayed to God at that time

begging him to give me a roommate of good personal hygiene.

Thank God

I finally meet you.

This is all the merit I have?

You can't think of anything else nice about me?

I am afraid you might get cocky.

My teacher always said this to me.

I have a classmate in St. George

who is now assistant to the president.

He offered me a job as a teacher here.

You are not cut out for it.

Why not?

Being a teacher

needs patience and love.

Do you have any?

Why not?

You are stupid,

but when did I lose my patience with you?

You are so bitchy,

if you were a teacher

the students would definitely conspire to kill you together

and soak you in formalin.

Formalin?

Potassium permanganate?

Why didn't I think of this before?

I lost my head for the moment.

But why did the killer

use such a roundabout means?

Because this method is cooler.

I am not the murderer.

How would I know what he was thinking?

Since the killer knows these chemistry knowledge,

he or she must be a student of medicine.

Generally speaking,

the simpler the killing method, the better.

The more complicated the method,

the more likely it will give the killer away.

But this dude, despite the complexity,

managed to make the body to be so terrifying.

What did they want to do

other than scaring people?

Only someone with extreme hatred to the victim

would trample the body in this way.

No way!

Wu Zixu led armed forces

to suppress the Chu State to seek revenge.

He dug Chu State's King Ping's body out for public flogging

or he couldn't quench the anger in his heart.

Buddy.

Why did you do to offend the killer?

Maybe he forced him to work overtime.

Yes.

Especially

when you don't even get dinner break,

it's really easy to kill.

Let's call it a day for today.

See you tomorrow.

Carry on.

Good night..

I…

Get up.

I have news from the team I sent out.

Just say it.

That Liu Yansheng and Guan Dailiang

worked together

on a secret research on epidemic cerebrospinal meningitis.

Later the research was banned by the medical school.

Guan Dailiang snitched on Liu Yansheng for self-protection.

It caused Liu to lose all his research results.

The two of them turned against each other for this.

The motive for killing is established.

What about Lin Ai?

Nothing has been found yet.

Then you keep looking.

I'll keep sleeping.

The show only starts now.

Guan Dailiang's brother Guan Maoliang…

He had a bad relationship with his brother, right?

So you do know.

Hey!

What's wrong with you?

During last time's interrogation

he had been reluctant to say

why he wanted to talk to Guan Dailiang.

Obviously he had something to hide.

What I know is that Mr. Guan died.

Recently these two brothers got into

fights over their father's heritage.

How much is it?

Is it important?

If the money is enough,

it can also be a motive for killing.

Guan Maoliang is addicted to gambling

but never got lucky on the table.

He owed people a lot of money.

Recently, there have been creditors who came to threaten him

they would kill him if he didn't pay back the money.

Brothers falling out.

Killing for money.

The motive is barely established.

I already arrested him.

You are a man of action.

Even the tongue and teeth will fight sometimes.

Me and my brother were in a bit fight recently.

But you can't just

decided that the killer was me because of this!

If I had known you would come today,

I wouldn't have chased you so hard yesterday.

So the one you lost yesterday was him.

No!

Yesterday I was alone at home.

Alone at home?

Can someone prove it?

I already said I was alone at home.

Who can prove that?

That means

you have no alibi, right?

What could I do

going to school alone

in the middle of the night?

You went back

to retrieve the box of rose cake on your brother's table.

At first glance,

this box of rose cake has no difference from ordinary rose cake.

But the red icing

will reflect light under strong light.

This is not crystal rose sugar,

but

arsenic.

I…

Arsenic?

And since you were determined to kill someone with poison,

why wouldn't you pay more for poison of high concentration?

How did you know that?

Arsenic of high concentration

is in the form of white powder.

Impure arsenic is red

or red-yellowish massive crystals.

It's easy to distinguish.

Murder your own brother

for money.

You are a monster.

I didn't!

You're slinging mud at me.

It's not up to you

whether we're slinging mud.

Take him for further interrogation!

Yes, sir!

Be patient.

I haven't finished yet.

Guan Maoliang,

do you dare to put your hand

on the table?

This stain didn't come off all night right?

Such an important physical evidence was left on the scene,

the killer may make a mistake.

So I thought he was very likely to

return to the scene to replace the box of rose cake.

So you didn't spook him.

Instead you silently laid the trap waiting for him.

Correct.

Potassium permanganate of low concentration

does not cause burns to the skin.

Especially when he was highly nervous,

he wouldn't notice it at all.

These traces cannot be washed away with water.

I didn't do it!

Sir!

Two days ago

you couldn't even afford high-purity arsenic.

How did you suddenly afford to pay off all the debt?

What do you mean?

I am told

he paid off the gambling debt.

After his brother died,

the legacy, whose ownership previously caused disputes,

all goes to him now.

Now not only you have the motive,

but also there are solid evidences.

It wasn't me!

I didn't kill him.

What kind of evidence is this?

Wait.

He hasn't confessed yet.

What's the hurry?

You don't need to worry about that.

Within three days

I promise that he will confess.

But what can he confess?

It was only attempted murder.

The real killer is not him.

Normally a lab has a

fume hood.

But for safety's sake,

the windows on both sides will be kept open

to enhance air convection.

If you open the package of

that kind of rose cake

in a ventilated place,

it will dry out soon.

But the rose cake in the lab

still looked so glossy on the surface.

It means Guan Dailiang

never opened it at all that day.

So you set up a trap for nothing.

It was just a… a small mistake.

Later I asked Adou

to buy me the same brand of rose cake

then I just realized

I was in a goose chase before.

And the coroner said that night

there was no signs of poisoning.

What he said was not found for the time being.

And as you also mentioned it,

we got the autopsy results out at night.

I set up the trap for him in the morning.

Sir, do we arrest him or not?

What are you rushing for?

Wait for him to finish.

A person who is familiar with

the reaction of formalin and potassium permanganate

must be someone who is proficient in chemistry.

There is no way he doesn't know

how to remove traces of potassium permanganate.

So this buddy here is not murderer.

Come sit down.

Explain now

what's with the rose cake

and you going into medical school at night.

My creditors were pushing hard on me.

I had no other way out but the inheritance.

That day

I bought him a box of rose cake

sprinkled with a layer of arsenic.

I thought as long as he died,

his share of inheritance would be mine.

Once I paid off the debt,

I would have nothing to worry about.

But when I was about to do it,

I couldn't really bring myself to it.

Although I had a bad relationship with him in recent years…

Why are you here?

we were brothers after all.

Blood is thicker than water.

Um…

I know his habit.

The lab is full of chemicals.

For the sake of safety,

he never ate things in the la.

So I didn't even take the rose cake with me.

Because I knew

he wouldn't eat it.

Who knows he died suddenly.

I remembered the rose cake.

I was afraid the police would suspect me

and extract my confession under torture.

So I was forced to go to retrieve the cake.

He is not the murderer,

yet you spent so much time and efforts on him.

You are stupid.

It was not me who arrested him.

Sir!

Inspector.

Last time you asked me to examine the head of the body carefully.

[Autopsy Report of Criminal Case of Shanghai Public Concession’s Central Police Department]

I did and found at the nape of the neck

there is a tiny pinhole.

The place where one's neck is attached to the head, right?

Correct.

Right below the brainstem

and right in front of the cerebellum.

Right in the medulla.

In other words,

the murderer used a sharp weapon

to stab directly into Guan Dailiang's medulla

which caused damage to his life center

and an immediate death.

Yes.

There is only one pinhole,

which is only slightly larger than ordinary sewing needles.

It was among hair pores on the scalp

plus with skin cut open and flesh torn by the corrosion.

If it weren't for you to let me examine his head carefully,

I wouldn't notice it.

There is only one pinhole,

which means the killer is skilled

and made the fatal hit in one stab.

Must be someone who knows medicine or anatomy.

So

it comes down to either Lin Ai or Liu Yansheng.

Since Guan Maoliang is not a suspect anymore,

aren't they our only suspects.

Someone!

Inspector Qiao,

I beg you to find evidence before arresting someone.

Okay?

What do you want?

From the nape of the neck to the medulla.

Judging by the depth and size of the wound,

Only a medical probe fits the description of weapon.

Probes are consumables.

Everyone in the medical school can help themselves to it.

No regulations,

and no in-put record required.

What about potassium permanganate?

That's a dangerous chemical.

If someone needs to get some from school,

they definitely need to register.

This guy has already checked.

Why are you looking at me?

It would be to late

if we wait for you to remember checking it.

Don't bother.

You won't find anything useful.

Just take a shot.

You never know, there might be a lead.

Dosage of potassium permanganate used in a lab

is generally very small.

With how Guan Dailiang's body looks like,

the murderer needed a lot of potassium permanganate.

The murderer wouldn't be so stupid

to leave records on the register.

Not always.

Wasn't it someone's strong suit?

Who is the someone?

When someone was in university,

he stole reagents from the lab,

sold them in the black market to buy his classmates drinks at bars.

You didn't drink it?

Fine.

Spit out the wine you drank back then!

Hey!

You also stole Russell's teaching notes,

printed them into booklets and sold them to the junior students!

So you don't like it?

If you don't like it, you can tell the teachers on me.

Come on, back to Cambridge!

Tell on me.

Since the founding of Cambridge,

you are the school's biggest failure!

Failure?

Says the one who failed

exams in more than two subjects in average every semester.

I failed…

I failed because of you!

Every time you skipped class, you forced me to skip class together!

While the exam was around the corner,

you also deliberately disturbed my studying!

I had to repeat a year of school because of you!

Today I'll settle the score with you!

Come on!

Hit me on here!

Hit me on here!

I dare you!

Come on!

Man!

Your good buddy

got depressed because of you.

He was an idiot.

He studied hard

but just such a slow learner.

He always ranked bottom in exams.

I feel sorry

for his students.

I feel sorry for anyone who had you as their teacher.

I don't want to talk to you.

Where are you going?

I am hungry.

I want to steal some chicken.

Medical school needs animals to do experiments.

So there must be a birdhouse.

Based on my experience of stealing for many years,

the birdhouse should be in

this direction.

I'm going to steal soon.

Why don't you stop me?

But you haven't really done anything.

I will catch you in the act.

This birdhouse has a person in charge.

Of course.

Chick, duckling, bunny or whatnot.

They will starve to death if no one feeds them.

[Liu Yansheng]

Liu Yansheng?

Let's talk to him.

What made you suspect him to begin with?

A birdhouses is most vulnerable to chicken fever.

So you need to disinfect it regularly.

Formaldehyde

can kill both bacteria and viruses.

Therefore, people usually use formalin,

which is actually formaldehyde solution of 40% concentration

together with potassium permanganate to generate gas for fumigation.

As the person in charge of the birdhouse,

Liu Yansheng must have a lot of potassium permanganate.

And so…

This is so pungent.

The smell of formalin.

[Account statement]

Sir, bathroom!

We were too late.

Liu Yansheng.

Brown sediment.

Potassium permanganate and formalin.

See if there is a pinhole at the nape of his neck.

Yes, one.

Same as Guan Dailiang's.

Same look after death,

and the same MO.

This is a serial murder.

Miss Bai

will get a bonus again.

[Xinyue Daily Formalin Serial murder]

Newspaper!

Exclusive scoop!

Formalin serial killings

Read all about it on the newspaper!

Exclusive scoop!

Formalin serial killing!

Newspaper!

Mr. Bai.

You are asking for me?

What took you so long?

St. George University has a serial murder case.

I am solving it.

This case needs to be solved as soon as possible.

I want to take this opportunity

to join the school board of St. George University.

What?

Are you also interested in education?

What I am most interested in now

is St. George's medical school.

Within ten years,

Large-scale wars will break out in China.

The most profitable good in recent years is opium.

But medicine is the future trend.

Now the production of the most important western medicine

is controlled by foreigners.

This is the lifeblood of a country.

But several members of the school board

are foreigners.

They have a prior claim on

school research results and drug patents.

That's why I have to join them.

Knowledge monopoly must be broken.

Even if it doesn't make profit,

I have to figure out these medicines

for the survival of our country.

Those Englishmen at the Manson Club

are the mastermind behind this.

This battle without gunpowder has just begun.

Understood.

I will take the opportunity of investigating the case to sound them out.

Ma'am!

Could you let me read it

before you print your report out?

Why should I?

You are not my editor.

Modern medicine is based on anatomy.

How can we dissect without specimens?

Early in 1912,

The Ministry of the Interior issued

detailed rules for the implementation of anatomical rules.

But over the past years,

Except the one being sentenced to death,

few people were willing to donate their body.

Now great. With

your article on the newspaper,

in the future not only there'll be no one donating their body,

I don't think anyone even dares to make the specimens.

"Formalin serial murder case.

Both victims persuaded people to donate bodies

and hand-made specimens for dissection.

Your body is

a gift from your parents.

Dissecting a body

will be punished by Heaven."

Every word inside

is just describing objective facts.

You have successfully hindered

progress of medicine on your own.

But you are proud instead of feeing ashamed of it!

Last night

when I heard Liu Yansheng was dead,

I went to medical school to review the records for the whole night.

What did you find?

Guan Dailiang and Liu Yansheng

both voluntarily persuaded dead people's relatives to donate their bodies.

If you don't believe me, you can check for yourself.

I didn't see it coming.

Major newspapers are racing against time.

Unlike you,

get off work on the dot,

and go to bed immediately after work.

Pig.

Punished by heaven…

Interesting.

Don't be nervous.

I came here to interview you

some questions about the teaching in the university.

But

I already told the police

everything I know.

How is your relationship

with your students?

They don't seem to like me much.

Do you have any favorite students?

Yes.

Guan Dailiang and Liu Yansheng are very smart.

Especially Yansheng.

I believe

If you gave him enough time and money,

he would have definitely become a great medical worker…

Unfortunately he is…

I am sorry for your lost.

I have a problem

that I always want to ask you.

Sure.

Qian Rui told me

you and Lu Yao are quite close.

It's OK.

We share an apartment together.

You are so brave!

Be sure to lock the door from inside at night.

Is that necessary?

Of course!

That guy is selfish and capricious.

He called you his best buddy when he needed you,

and ditched you

when he didn't need you anymore!

It's just a miracle

that guy

can live to this day.

Is he really so disgusting as you described?

Trust me.

What you see now is an illusion.

Just give it time,

he will show his true colors one day.

He's kind of bad friend to his male friends.

But to girls…

Even worse!

Give me some gossip.

let me tell you,

he had a girlfriend who studied economics back in university.

She was smart and pretty

and the two got along well.

But this rich kid suddenly left her without explanation

and went to Paris for fun.

He came back only after a long time.

Was there any misunderstanding between them?

Misunderstanding?

If there was a misunderstanding, couldn't they talk it out in person?

He had to leave without saying anything?

This rich kid

was spoiled from childhood.

So he is selfish and capricious.

He doesn't treat others as human beings.

And he should have some intimacy issue.

When you get close to him,

he will panic

and subconsciously choose to escape.

When you find yourself fall for him the deepest,

it's when he'll hurt you.

Go out.

You.

Miss Lin, it's me.

We have met in the police station.

I already told you

I was alone in the lab that day.

I never met him.

Are you guys done?

I didn't say you were the murderer.

Then why are you here?

Can we go inside?

I just need to talk to you really quick.

I won't make this hard for you.

Actually I also studied medicine.

Where did you go to university?

Cambridge.

My professor was Chandler Manson.

Why did you end up solving cases?

To make a living.

Actually today

I visited you only on behalf of myself.

What do you want to know?

You don't need to be so tense.

Actually we met before the police station.

When was that?

The day before yesterday in the morning.

The day of the crime.

You were at

Lab 301, right?

It was me.

When you first met me,

I just stayed up all night.

I've seen the in-out record.

You went at one in the morning

and didn't come out until nine in the morning.

That's tough job.

Well, bacteria culture.

Staying up late is part of the job.

What bacteria are you culturing?

Soybean rhizobium.

You are also interested in agriculture?

I thought you knew it.

In a glucose medium,

with a stable temperature of 25 degrees Celsius,

the soybean rhizobium can be formed in more than seven hours and forty minutes.

But the weather is pretty hot these days.

So, you need to use a thermometer to measure

and then

and keep adding cool water to lower the temperature,

change the water when it gets warm.

And then repeat the procedure again and again.

So you were practicing insulation.

Yes.

And practice my patience.

You are amazing.

If it were me,

I could never stand still in the lab

for eight or nine hours

in such a hot day.

Next time I do an experiment,

and if you are interested,

you're welcome to come give me some suggestions.

Sure.

Busy?

I just met Lin Yan

and came to get my lunch on the way.

She lives nearby.

How did the visit go?

There's something fishy about her.

What is the problem?

As a student, she doesn't live in the student dorm

instead she can afford to rent a house outside the campus.

Everything she wears and makeup are all good stuff.

Maybe she came from a rich family.

I saw a photo of her with her mother.

Two years ago, the ladies were dressed plainly

and also lived in a shabby house.

Maybe she won the lottery.

Why do you defend her?

Do you have a crush on her?

I simply raise all the possibilities.

There are three suspects in this case.

The first Guan Maoliang has been ruled out.

Liu Yansheng is also dead.

She's the only one left.

She is also

ruled out.

The experiment she did that night

took 7 hours and 40 minutes.

And she needed to stay by its side watching it.

At about 8:42 in the morning

I saw it with my own eyes

she was showing others the results of her experiment.

Do the math.

When did the experiment start?

Got the result at 8:42.

So…

It started at 1:02 a.m.

She entered the lab at one.

Then…

indeed.

Kill someone in two minutes,

not to mention soaking him in formalin.

It's unlikely for her to do that.

I have to go back to the lab

to check if she was lying about anything.

Thanks.

Can you change another trick next time?

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