V1.Chapter 14

"In addition, I think the killer is very likely to be born in a single parent family, abandoned by his mother since childhood, or he is a man who has lost his son."

Duke was a little surprised. The conjecture seemed to be taken for granted. Where did the basis come from.

"Are you sure?"

Being looked at with questioning eyes, Lu Li did not immediately explain, but asked a question: "how do you think a madman born solely for killing will commit a crime?"

"He will destroy and destroy the victim to the greatest extent, and the wound will become strange. He will poke, poke and cut, how happy he comes, and there is no rule to find."

Lu Li asked and answered himself.

At this moment, with the deepening of thinking, he became more and more convinced of his conjecture.

"Have you heard of the basic deductive method? It is a science that pays attention to logic, and the conclusion must be deduced from the premise. There is an inevitable connection between the two, and there is no probability."

When it comes to the professional field, Duke looks at a loss and doesn't feel fierce in his heart, but he also hears the implication: I'm afraid Lu Li really found some valuable clues.

"However, in terms of logical form, another method called profiling is just the opposite."

"It deduces the premise from the conclusion, and obtains the person's psychological state, such as personality, according to various signs of the murderer's behavior. The probability is relatively large, and it is allowed to deviate from the facts."

Duckness nodded and couldn't help thinking about the three philosophical questions: who I am, where I am, and where I will go.

"Brother, can you speak human words?"

He thought so in his heart, but it was not easy to say so, so he had to force patience.

At this time, Lu Li also noticed that he had biased the topic and apologized: "in other words, my guess may be different from the truth. It can only ensure logical self consistency. Would you like to gamble with me?"

"There's not much time left."

With that, he stared straight at Duke.

This placement test is about their future. Once there are mistakes, it's too late to regret.

God space, failure obliterates

Duke shuddered when he thought of the classic passage in the novel: similarly, the so-called inferior class should not be a good place to go.

"Remember the words on the blackboard?"

With that, Lu Li looked down at the iron pot not far away. His bones churned in the meantime and changed his mouth to remind him: "it should be cooked. Take it out and have a look."

"Well... I see."

Duke regained consciousness and hurriedly looked for tools to get the pelvis from the pot.

Taking advantage of this vacancy, Lu Li continued: "at that time, it was written on the blackboard that the difficulty coefficient of this examination was very low and the time limit was five days. Candidates were required to make a choice between orderly and chaotic camps."

"Obviously, the two of us were automatically assigned to the orderly camp to help the London military and police maintain law and order, punish evil and promote good."

"Since it is punishing evil and promoting good, why do you have to stare at Jack the Ripper? Is there only one villain in the fog that gathers countless local ruffians and evil criminals? It's not easy to find out the truth of other cases with your ability?"

The words fell, and Lu Li stopped talking. He had never thought about these words in advance, but suddenly felt them.

While there is still time, give up the investigation and make up for the shortage with quantity.

A wise choice.

In fact, he himself is a little excited.

"The victim has given birth and is between the ages of 26 and 28."

Duke scooped a bucket of water and put out the carbon fire. The suddenly lit embers lit up his cheeks. He said to himself: "during childbirth, the ligament attachment between pubis was pulled, causing bone injury or ligament insertion into bone. After the ligament disappeared and boiled off, what appeared was the groove."

"Well, the last result comes out. You can continue to analyze it."

After listening to his words, Lu Li felt quite surprised. Duke didn't answer this question positively, but action is always more persuasive than language——

Obviously, he is willing to continue to cooperate and insist on pursuing the case of Jack the Ripper.

"To get back to business, Jack the Ripper has a deep obsession with the victim's abdomen. The inverted V-shaped wound implies contempt."

Then Lu Libi made a V-shaped gesture, and then turned it upside down: "if you do this to a stranger, will he think you are provoking?"

"Of course."

Duke nodded.

"Then why does Jack despise the dead?"

"In his provocative book, he claimed that he hated the migratory warblers most in his life, but there were so many migratory warblers in the white church area. Why did he have to pick the people who had given birth?"

"In fact, Jack hates and hates those who drown children. In order to vent his dissatisfaction, he will destroy the body again."

Behavioral evidence.

At this time, Duke thought of a word.

Before that, he always thought that the evidence refers to the items placed around the morgue that can help the case, or the professional report issued by the forensic medicine.

Therefore, he thought that the profession of detective was a little redundant. He didn't expect to slap his face too quickly.

"Damn it... So... He didn't kill at will!"

Duke soon understood the experience of professional forensic medicine:

If Jack is regarded as a hunter, he undoubtedly chose a good hunting ground. The Victorian east end of London is a big slum, where there are flocks of migratory warblers and his prey everywhere.

But this guy is picky about food!

"Is there any other direction of investigation?"

The feeling of holding his thigh was so good that Duke became excited: "if not, go to the street to investigate now."

"I suspect Jack the Ripper lives in East London, or I can't explain why he can avoid witnesses every time he commits a crime."

"Yes..."

Inspired by Lu Li, Duke has been able to draw inferences from one instance:

"I haven't been to the scene of the first murder, so let's take the second murder as an example."

"Until now, where the first crime scene is still a mystery. Brady street, the body removal point, is an important breakthrough."

"Although the place is remote, there will certainly be people passing by, such as night workers, migratory warblers, drunkards, and even the hot hands of the Eastern District Civil self defense force. The murderer takes the risk to remove the body and destroy it, which is absolutely something to rely on."

"It seems that Jack the Ripper must be very familiar with the streets. It is likely that he himself lives in East London."

At the moment, Duke was like Sherlock Holmes, with confidence in his words.

The person who didn't know the truth saw it and thought that the whole process was his reasoning.

Lu Li, who had been guiding this guy's thinking, was not so excited. He poured cold water and said, "calm down. He just pieced together a self explanatory explanation based on trivial details. Can you be sure?"

"It's good to have hope and investigation direction. After tonight, Jack will kill two more people. Won't he be able to judge whether your reasoning is effective?"

Duke took his time. He felt good again.