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Volume 61 Chapter 61 Suicide Note (Part 2)

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    Wendy has been sent home by bodyguards, and Bobby accompanied Liang Xi to eat hamburgers at the detective agency to read information.  Bobby knew that Liang Xi was doing handwriting identification, but he didn't know how Liang Xi did handwriting identification and the needs of handwriting identification.  The police physical evidence appraisers and the experts from the third-party appraisal agency unanimously identified the handwriting as Wen Xi's handwriting. Does Liang Xi think that he is more professional than the experts?

    The materials include books, notebooks, diaries, and graffiti. Liang Xi slowly flipped through the materials, and occasionally compared the suicide notes carefully.  As soon as Liang Xi was doing something, he was completely immersed in it, while Bobby felt bored within five minutes and started wandering around the detective agency.

    The detective agency also has a back door, which is a corner iron staircase, and the entrance is at the back door of the coffee shop.  Bobby untied the iron chain, pushed open the iron door, and stood on the iron stairs to breathe fresh air.  At the entrance of the iron stairs downstairs, two standing bodyguards looked up at Bobby and continued to stand still.  Bobby was very surprised, why did the detective agency install an iron gate that was sealed from the inside?

    Who can't reason?  Bobby observed the back door and found that there was no camera. After careful speculation, the back door was sealed to prevent anyone from entering the detective agency through the back door.  Here comes a new question, why leave a door?  Fire needs?

    Liang Xi poured black tea, saw Bobby touching the iron door in the opposite room through the corridor, and asked, "Do you still have this hobby?"

    Bobby asked: "I don't understand why this door is left?"

    Liang Xi pointed to the stairs: "The width is too small to carry things."

    The answer is so simple, Liang Xi said: "Don't touch around, there is an escape mechanism in that room."

    Liang Xi took the hot black tea and returned to his desk to continue working. He had already promised that Bobby would not come back to disturb him in a short time.  Bobby was fooled as expected, and began to look for escape mechanisms that did not exist.  After getting rid of Bobby, Liang Xi can start working.

    Handwriting identification is very interesting. Until now, computers have not been able to completely replace manual handwriting identification.  Under normal circumstances, computers can do a good job of distinguishing fake handwriting of ordinary people.  However, it is difficult for computers to distinguish fake handwriting made by professional experts, such as professional handwriting identification experts.  The reason is that there are many variables in handwriting, writing posture, writing implement, pad, light, sound, mood, etc.  Both computers and humans have a certain error rate when there are two close handwritings.

    It is more difficult to prove that the suicide note is fake than to prove that the suicide note is real.

    Liang Xi's thinking is: assuming the suicide note is true, whether it's his ex-boyfriend killing Wen Xi, or Wen Xi jumping off by himself, it's none of his business.  Although the ex-boyfriend won't get the medal for being brave and helping others commit suicide, after all, it can be considered as helping.  The point is that the suicide note may be fake. Judging from the description of the case, it is unlikely to be a premeditated murder. The police got the suicide note 12 hours after the incident, indicating that the suicide note was forged within these 12 hours.  It is very difficult to forge a suicide note that can be authenticated by a third-party expert within 12 hours, and there is only one possibility

    Bobby came back an hour later: "There is no mechanism at all."

    Liang Xi didn't raise his head: "You can't find it."

    Bobby: "Then I won't look for it either. Have you found anything?"

    Liang Xi looked at Wen Xi's 12th grade homework book, which is equivalent to the second year of high school: "From this homework book, you can find Wen Xi's obvious changes. The homework in the front is very neat, and then the number of homework is reduced, mainly for coping. I found that Wen Xi  There are two types of Xi's handwriting, the first type is this exercise book, which is all written by myself. The second type is this book."

    Liang Xi picked up the 13th grade homework book: "The handwriting is more sloppy, but it's not the key point. She copied the 13th grade homework that was the key point. Looking at the handwriting, it looks very irritable and messy. The handwriting of the suicide note is neat and clear. Leave  After middle school, Wen Xi hardly started to write, if the suicide note is fake, then the reference information of the counterfeiter must be the text before the 12th grade."

    Liang Xi said: "I need you to classify the remaining information."

    Bobby quit: "I paid a detective fee."

    Liang Xi said: "Do you know why I only offer one hundred?"

    Bobby asked, "Why?"

    Liang Xi said: "Let me ask you a question first, are you for Wendy or Wenxi or justice and truth?"

    Bobby thought for a while: "Of course it's justice and the truth."

    Liang Xixiao: "You don't believe the conclusions of the police and appraisal agencies, but you believe the words of an eight-year-old girl. Is this what you understand as justice and truth?"

    Bobby chuckled: "It has something to do with Wendy too. I can't bear to see her sitting outside your door wiping tears. Since she trusts you, I hope you can give her an explanation."

    Liang Xi said: "Now I can answer you, the reason for asking a price of one hundred is because you are human. If I am wrong, you don't have to help me."

     

    Liang Xi said: "Thank you." Hehe!

    So Bobby joined in the work of sorting out the materials, and at the same time, Bobby was very puzzled. Liang Xi flipped through the materials very quickly, and only stayed for three to five seconds for each page before turning over.  Poppy asked, "Are you looking for something distinctive?"

    Liang Xi: "Yes! Do you know why I am so serious?"

    Bobby spread his hands: "Because you want me to praise you for being a professional detective?"

    Liang Xi said: "No, this suicide note is probably forged."

    Bobby was curious: "Why? The experts didn't doubt the suicide note, why are you so sure?"

    Liang Xi took out a silk meter ruler (one millimeter is equal to 10 silk meters) and a magnifying glass from the drawer, and took the suicide note.  Bobby walked to Liang Xi's side and leaned over to check.  Liang Xi measured the distance between two sentences. The distance between the first character in the first line and the third character in the second line was about 1.7 mm, and the distance between the middle character in the first line and the middle character in the second line was 1.9 mm.  Left and right, the distance between the last word on the first line and the last word in the middle of the second line is about 2.1mm.

    Although the value is small and there are errors in the measurement, it can be intuitively judged that each row of Wenxi's characters is slowly slanting upwards through the silk meter ruler with the naked eye.

    Bobby didn't understand: "What does this mean?"

    Liang Xidao: "The distance between each line of the suicide note is the same. This suicide note has a total of twelve lines, and the spacing between each line is exactly the same. It is impossible for humans to do it so accurately. Only a computer can do it so accurately."

    Liang Xi said: "Look at the most common word 'me' and the words containing 'me'. There are 8 places of 'me' in the suicide note, and there are three different types of me. The first type of me, m  The handwriting is heavy. In the second type of me, the edges of e and m touch together. In the third type of me, the e is slightly inclined. After you list the 8 me separately and divide them into three groups, you will find that they are exactly the same, and can even overlap perfectly  .¡±

    Liang Xi said: "I'm basically sure that the computer scanned the handwriting and wrote such a fake suicide note with a robotic arm. But I can't find three types of me in the data. Speaking of which, I have to tell you some bad news.  "

    Poppy asked, "What's the bad news?"

    Liang Xi said: "Those who can play so delicately should be professionals. They can't leave the scanned original text. So I can only tell you that the suicide note is fake, but I can't produce any evidence to prove that the suicide note is fake."

    Bobby said: "You can explain me and the distance to the police."

    Liang Xi said: "The ex-boyfriend's defense lawyer does not need to explain why Wen Xi's suicide note has the same spacing. The work of finding the evidence of the original text must be done by the police. Let's make an analogy, I am a criminal, and I took a copy of Wen Xi's suicide note.  Xi¡¯s homework is scanned by the computer, do you think it is possible for me to send this homework back to Wenxi¡¯s home after finishing the work?¡±

    Bobby thought for a while and said, "Perhaps criminals like to add to the liking? While hiding the suicide note at Wen Xi's house, put the homework back by the way."

    Liang Xi sighed: "Since there may be such a stupid criminal, we have to read all the texts.???
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