Chapter 492 Where is the blood stain?
Lestrade was impressed by Master Lin's knowledge of everything:
"I understand, Master!"
"I will arrange for people to go to nearby factories and universities now to look for the drugs you mentioned."
"Well don't forget to bring hydrogen peroxide and ammonia."
In a very professional manner, Lin Xinyi asked the police officers who were running errands about the chemicals needed for the occult blood test.
After creating such an aura of a chemical expert,
He then turned his head and locked his gaze on the eight coachmen who were suspects:
"You guys, do you understand what I just said?"
"We." The eight suspects looked at each other with confusion on their faces.
After an awkward silence, someone finally answered slightly cautiously: "I understand."
"You just need to use that medicine to detect invisible blood stains on any of us, right?"
"That's right." Lin Xinyi quietly emphasized his tone: "None of you have any traces of recent injuries on your body."
"So, if any of you detect potential blood stains that have been wiped clean, it can basically prove it."
"For some reason, that person got someone else's blood on his hands!"
His gaze was as sharp as a knife.
The voice was as cold as the white-haired wind in the far north grasslands.
Lin Xinyi was deliberately using this method to test the reactions of the eight suspects.
See if they are alarmed by the news.
And the result of the trial is.
"It doesn't matter, officer, I will cooperate well - I am not the murderer anyway!"
"That's right, that's right."
"It would be nice if it could be faster."
The eight coachmen were all shouting with such relaxed expressions.
Not a single nervousness, not a single worry.
As if none of them really were murderers.
"This" Lin Xinyi frowned quietly:
None of these people are worried about occult blood testing?
Why?
Could it be that my approach to customs clearance was wrong?
Is Jack the Ripper really not among them?
Or is it that Jack the Ripper is inside, but he is calm and does not show any timidity, deliberately pretending to be calm in front of the police?
But what's the point?
If he was really among these suspects and saw himself surrounded by the police, he should know that he would not be able to escape.
What's the point of pretending to be calm in the face of the inevitable occult blood test?
Could it be that he wanted to use this to make the police relax their vigilance and then break out violently?
No. If Jack the Ripper had the confidence to use force to escape in front of so many guns, he would have already broken through and escaped when the patrol led the team to block and arrest people.
Why wait until now, when we are under siege and under even tighter lockdown?
Suddenly, Lin Xinyi thought of many things.
A faint uneasiness surged into my heart.
after a long time
The patrolman obtained Luminol from a nearby university laboratory.
Lin Xinyi performed the operation skillfully and conducted occult blood tests on all the parts of the eight suspects present that might be stained with blood, and even the clothes they wore.
And the result of the test is.
"There is no occult blood in all eight people?"
Faced with this disappointing result, everyone couldn't help but feel very heavy.
The Scotland Yard policemen, led by Officer Lestrade, subconsciously turned their expectant eyes to Master Lin.
They waited for the omnipotent Master Lin to come up with more magical spells.
But Lin Xinyi fell into a dilemma:
"How come there isn't?"
"Is my previous reasoning really wrong and Jack the Ripper really not among these coachmen?"
"Or"
"Jack the Ripper is in there, but there's no blood on him at all?"
In the haze of failure, Lin Xinyi couldn't help but think of another possibility:
That's Jack the Ripper's skill.
He killed someone without getting any blood.
If you think about it carefully, although the carotid artery of the deceased was damaged, the amount of bleeding was extremely exaggerated.
But it is not impossible that the murderer had no blood on him.
Because cutting the neck and bleeding is actually a technical job.
The angle and shape of the blood splash depend on the part of the artery where the blade is inserted.
For example, if the knife is inserted directly into the victim's common carotid artery, blood will shoot out in a horizontal direction.
By adjusting the angle of the knife, the direction of blood splash can be controlled.
As long as you understand anatomy and the structure of the human body, you can execute the knife accurately enough, your body is agile enough, and you can stab and retract the knife quickly enough.
You can drain the target's arterial blood without getting blood on your hands.
It's like butchering an animal. Wait until the blood is drained before cutting off the head. Be careful so you don't get splatter all over yourself.
Lin Xinyi knows this skill himself.
He carefully recalled the scene of the crime scene:
"Although the amount of bleeding was indeed large."
"But the direction of the blood spatter is mainly concentrated on the left side of the deceased's body."
"The direction of the splash is more concentrated."
"In addition, the neck was severely damaged by the knife blade cutting back and forth, and the initial stabbing angle cannot be determined."
"So it cannot be ruled out that the murderer also performed targeted bloodletting on the deceased before repeatedly slicing his neck."
This is indeed a possibility.
Based on the skills Jack the Ripper has shown previously, he may indeed be a master of "killing without blood".
But the problem is
"So what if you think of this possibility?"
Lin Xinyi's brows furrowed deeper and deeper:
"No blood on it means no blood on it."
"Since there is no way to detect blood on these suspects, I have no way of confirming that Jack the Ripper is among them."
Compared with the simple speculation that "the murderer was not stained with blood".
No matter how you look at this situation now:
It's more like Lin Xinyi guessed the question maker's mind wrongly and got the wrong result.
Maybe Jack the Ripper really isn't here.
Lin Xinyi was pondering here, but the eight suspects were already waiting impatiently:
"Officer, we have been waiting for so long, so all the tests have been done."
"You should be able to leave now, right?"
"This" Lestrade hesitated for a while: "Master Lin, since there is no trace of blood on them."
"Then just let them go?"
Lestrade was shaken.
The police officers also began to gradually doubt the master's magic power.
Seeing that no one was stopping them, the eight carriage drivers slowly retreated to their own carriages, as if they couldn't wait to leave.
"etc--"
Lin Xin suddenly stopped them.
"What's the matter, sir?"
The coachmen were very puzzled:
"Is there anything else?"
"I still have to do a test on you-"
"Is there still testing? Haven't they already been checked and there's no blood on any of us?"
"That's true." Lin Xinyi's tone gradually became firmer: "We have done an occult blood test, and there is indeed no blood on your body."
"but."
He looked past the suspects and towards the carriage behind them:
"Where is your carriage?"
"If the murderer drove a carriage out to commit the crime, there would definitely be blood in his carriage!"
"This" the carriage drivers looked at each other with innocence written on their faces.
They still weren't scared by Lin Xinyi at all.
Lestrade also approached Lin Xinyi's ear with a puzzled look on his face:
"Master Lin."
"What's the use of checking the carriage?"
"We have seen those carriages and they are very clean inside."
"It's very clean. There may be invisible blood stains." Lin Xinyi replied calmly.
"I understand, but..."
Lestrade couldn't help but continue to question:
"But in today's case, Ms. Elizabeth was not killed in the carriage."
"And the murderer was alerted by witnesses and escaped before the entrails were harvested."
"In that case, how could it be possible to detect blood stains on the carriage?"
Elizabeth died in the open street.
There was no carriage with her when she died.
If Jack the Ripper didn't get any blood on himself when he killed, then it would be even less possible for him to bring the blood back to his carriage after he escaped.
If that's the case, what's the point of doing a occult blood test on a carriage?
Even if Jack the Ripper was really among these eight people, there would be no blood in his carriage.
"No, maybe there will be!"
"In today's case, Jack the Ripper had no blood on his body and did not disembowel his body, so he would not bring the blood of the deceased back to his carriage."
"But don't forget."
Lin Xinyi paused for a moment and reminded him in a subtle tone:
"This was not the first time Jack the Ripper committed a crime."
"He had killed two innocent women in succession before, and he disemboweled the deceased very cruelly and took out a large number of internal organs from the deceased."
"He brought all these internal organs back from the scene."
"I brought it back on foot."
"Or did you use transportation?"
"This" Officer Lestrade's eyes lit up.
Although he was not professionally qualified, he seemed to see the shadow of his old friend Holmes in Master Lin.
"Master Lin, what do you mean?"
"The murderer may have driven out in this carriage the previous two times he committed crimes."
"He may have used that carriage to load those bloody human organs?"
Officer Lestrade understood what Lin Xinyi meant:
Luminol not only detects occult blood, but also occult blood that was formed long ago.
And Jack the Ripper mostly committed crimes late at night when no one was around. When he was packing his "trophies" home, he probably wouldn't have been very careful about the "packaging" on the way.
With so many internal organs in the car, blood must have flowed all over the car.
Even if you wipe it clean after you get home, there will still be invisible potential blood stains there.
"If that's the case, it's in the carriage that belonged to the murderer."
"We will definitely be able to detect large tracts of occult blood!"