After determining the approximate time of Ji Wenguang's death, Lin Jiangbei carefully checked the room several times, but did not find any useful clues. This shows that the murderer was very cautious, and after killing Ji Wenguang, he made sure that he did not leave any clues in the room, and then left calmly.

It seems that to determine the identity of the murderer, we can only start from the time of Ji Wenguang's death, the murderer's motive for killing and the special killing method.

In the absence of other evidence to corroborate, Lin Jiangbei could only deduce in his mind first.

First of all, assuming that his previous guess was correct, Ji Wenguang did die at the hands of the Japanese. Because from the information that Lin Jiangbei has learned, the most likely suspect who can use the special murder method of scarf coins is the Japanese.

So why didn't the Japanese kill Ji Wenguang early or late, but chose to suddenly kill Ji Wenguang at this time? Ji Wenguang, as a mole who tried his best to pull down the water from the Toyama Trading Company, and worked in such an important institution as the aviation school, if it was not a last resort, the Japanese would never have killed such an important mole.

Obviously, the Japanese believe that if they don't kill Ji Wenguang, they may cause even greater losses, such as exposing the entire Japanese spy organization in Los Angeles. This shows that the Japanese have obtained information that Ki Wenguang's identity may have been exposed.

There are two ways for Japanese people to get this information.

The first is that after the Hangcheng Fushan Commercial Bank found out about the accident with Henglongdian, it directly sent a secret telegram to the Japanese spy organization in Los Angeles, so that the Japanese spy organization in Los Angeles could destroy Ji Wenguang so as not to cause greater involvement.

But if this is really the case, there is no need for the killers of the Japanese spy organization to rush to the Los Dos Hotel to kill Ji Wenguang at such a big risk. They could choose to lure Ji Wenguang to a remote location, kill Ji Wenguang unknowingly, and then choose the dry well and gutter to destroy the corpse.

Even if Ji Wenguang's body is found in the future, it has been a long time, and with the backward detective technology of this era, it will not be easy to find the real murderer.

However, the Japanese spy organization did not choose a more secure way, but chose the most risky way to kill Ji Wenguang in a crowded place like the Los Doo Hotel, and at the peak of the flow of people from half past seven to half past eight in the evening, which is a bit unreasonable.

The second way is the personnel of the Japanese spy organization in Los Angeles, some of whom recognize Lin Jiangbei and know his true identity. So after seeing him arrive in Los Angeles, he guessed that his purpose was to come to hunt down Ji Wenguang, so he attacked first and killed Ji Wenguang to avoid the entire Japanese spy organization in Los Angeles being implicated by Ji Wenguang and exposed.

Although Lin Jiangbei thinks this idea is ridiculous, it is extremely reasonable to extrapolate it according to various points in time.

For example, he arrived at Diluocheng Station at half past six in the evening, arrived at the Lin Family Traditional Chinese Medicine Hall at six forty o'clock, and arrived at the Yamen of the Luoyang Special Administration at about seven o'clock. And the time of Ji Wenguang's death was between half past seven and half past eight. If the Japanese spies recognized Lin Jiangbei outside the yamen of the Luoyang Special Administration, and then immediately set off to the Luodu Hotel to kill Ji Wenguang, then the time was just right.

Although Lin Jiangbei couldn't explain why the Japanese spy knew him, and why he could guess that he came to Los Angeles to capture Ji Wenguang, his subconscious intuition told him that maybe this was the real answer.

Before he could find any other answers, Lin Jiangbei decided to give it a try in this way.

He turned around and walked out of the room and asked Shen Changyin, "Manager Shen, how many guests are living in the backyard right now?" ”

"Twelve people. Including Ji Gongzi, there are a total of four people living in a single room, and the other eight people live in double rooms. Shen Changyin replied.

Lin Jiangbei nodded, and then said, "Then when there are visitors outside who come in to visit the guests, will you register?" ”

"Yes, yes," Shen Changyin said, "We have a lobby assistant in the backyard, who is responsible for receiving visitors. After asking who they want to visit, send a waiter to lead them directly to the guest's room! ”

"What about the assistant lobby manager? Where is he now? Lin Jiangbei asked.

"Right in front of the door!" Shen Changyin waved his hand to let a waiter run to the front courtyard and called the deputy manager of the lobby.

"Do you remember that after half past seven tonight, any visitors came to visit Ji Wenguang?" Lin Jiangbei looked at the deputy manager of the lobby with a pleasant face.

"Back to sir, there are no visitors who have come to visit Ji Gongzi."

"So after half past seven, are there any visitors who come to visit the other guests?" Lin Jiangbei asked again.

"That's true!" The deputy manager of the lobby replied, "There were two groups of visitors, one man and two women, among them, the two female students visited the guests of Room B No. 1, and the male visitor was an old man in his sixties, and he visited two guests of Room C No. 8. ”

"And did any of the three of them wear a scarf?" Lin Jiangbei asked again.

"It looks like I'm not wearing it." The deputy manager of the lobby said, "Why don't I go over and take a look now, these two groups of guests are not leaving now!" ”

"Not for now!"

Lin Jiangbei shook his head and spun around the yard with a flashlight. Soon, under the low wall next to the boiler room at the back of the yard, he found several messy footprints, which were obviously new in comparison with the surrounding dirt.

Then he took the flashlight and shone it on the wall, and then found a few traces of pedals on the low wall.

"Manager Shen," Lin Jiangbei turned his head and asked Shen Changyin, who was following behind, "Do people often come to this place?" ”

"Basically no one comes!" Shen Changyin said, "The firefighters of our shop will only go in and out of the boiler room, and will not open in this corner."

Sure enough, I guessed it right! These footprints should have been left by Ji Wenguang's murderer.

Lin Jiangbei nodded with a sneer. The murderer was afraid of leaving an impression on the deputy manager of the lobby, so he climbed over the wall from here, and after killing Ji Wenguang, he left along the same road over the wall.

He looked down and took a closer look at the footprints, then stood up and said, "These footprints are most likely left by the murderer." Judging from the footprints, he should be about thirty years old, one or two years old, about one meter and seven years tall, and his shoulders are slightly tilted to the left when he walks. ”

As he spoke, he turned his head to look at Ruan Deyi, "Have you ever noticed such a person among the people Ji Wenguang is dating?" ”

"Doesn't think so? It may be that I have limited contact with Young Master Ji and don't remember such a person. Ruan Deyi thought about it carefully, shook his head and said.

Lin Jiangbei was disappointed, but at this time, the deputy manager of the lobby spoke on the side and said: "Sir, I should have seen this person you mentioned, in his early thirties, his shoulders are slanted to the left, and he is about one meter seven tall. He had to come over to find Ji Gongzi almost every night a few days ago. ”

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