The four of them came to the security room of the bar, the narrow security room was smoky, fifteen monitors were embedded in one wall, videos were playing from all corners of the bar, and there were two computers and a telephone on the desk.

The two security guards originally rested their legs on the table, they were not in shape, and they were not too nervous when they saw the big eye, and they were just about to laugh a few words, when they saw Gao Yuemei and Shen Youyi behind the big eye, they immediately became serious, threw the cigarette in the instant noodle bucket with the oil soup floating, stood up and began to consciously clean up the security room.

Big Eyed Wen shook his head helplessly, turned his head to look at Cheng Mo and said, "Are you watching the video of the location of the bar?"

Cheng Mo nodded and said, "Well, it's ..... to 11 o'clock."

Big Eyes patted the security guard who was sweeping the floor and said, "Big dog, what do you have to clean up in this kennel.....? Hurry up and adjust the two videos of the bar position to about 11 o'clock....."

The security guard called the big dog said "oh", and hurriedly sat back on the computer chair that was somewhat deformed, and began to operate, and soon the monitoring screen in front of the bar appeared on the computer monitor on the table, and there was a surveillance video of the bar in four directions.

At 11 o'clock, Cheng Mo hadn't come yet, and the middle-aged man and the student sister Xiaowei sat in front of Kevin, talking and laughing.

Four people gathered around the surveillance dog.

Cheng Mo pointed to a monitor on one side and said, "Enlarge this picture ....."

The big dog took a screenshot according to Cheng Mo's request, but enlarged the picture, but because the lighting was a little dim, the quality of the picture was not very good, Cheng Mo frowned and pointed to the student's ear and said, "She has micro headphones stuffed here..... However, it is not visible on the screen. ”

Gao Yuemei clasped her hands to her chest and snorted coldly, "Are you joking?

Cheng Mo ignored Gao Yuemei's questioning, and said to the big dog: "Brother dog, please let it go quickly..."

After about twenty minutes of playing the screen in three minutes, Gao Yuemei said impatiently: "You are delaying our time, no, I have to call the police, otherwise something happens to that girl, and I will regret it for the .....rest of my life."

Cheng Mo said again: "Pause." ”

The big dog pressed the pause according to the words, and Cheng Mo said lightly: "Look at her movements." At this time, the video just shows the picture of the student girl pressing her right ear with her right hand.

Gao Yuemei sneered: "What does this mean?

Cheng Mo turned a deaf ear to Gao Yuemei's ridicule, and said, "Go back to eleven nineteen minutes and twenty-two seconds...."

The big dog carefully dragged the progress bar back a little, and it came to 11:19:22, and the monitoring showed the picture of the student girl pressing her right ear with her right hand.

Cheng Mo said: "Continue to rewind to eleven fifteen minutes and forty-seven seconds." ”

The big dog continued to drag the progress bar, and the picture was the same as the previous one, or the action of the student girl pressing her right ear with her right hand.

Cheng Mo said: "Rewind to eleven eleven minutes and thirty-five seconds." ”

Everyone was shocked, this time the action of the student girl on the screen still did not change, Gao Yuemei's face changed, and said, "Play it." ”

The big dog clicked on the play, this action was just a flash, not a continuous action, and the student's hand was not supported on the bar, that is to say, it was purely a subconscious action, as if there was something in the ear.

Big Eyes Wen said incredulously: "Xiaonuo, you ..... How do you see this?"

Cheng Mo said: "This is nothing unusual, I have dynamic vision. When I started at the bar, I noticed that she was doing this little thing, and she didn't drink much, but she went to the bathroom a lot....."

Gao Yuemei and Shen Youyi were also very shocked, although this was not enough to explain anything, but it also proved Cheng Mo's strong and meticulous observation.

Gao Yuemei paused for a while and said, "This action may be a habitual action? Calculate..... What does it mean that she has micro headphones?"

Cheng Mo turned his head to look at Gao Yuemei and said, "What do you need me to say, if this girl is not a policeman, she is premeditated to approach this man..... Either way, what you did just now would be very superfluous to her....."

Gao Yuemei said unconvinced: "I sit next to her, naturally not as many as you can see..... Besides, you're speculating, right? It's just a possibility, can it be 100 percent proven? As long as it's 10 percent..... One percent of the likelihood, we shouldn't let that happen....."

Cheng Mo said coldly: "Please take a serious look at the picture..... She started drinking Long Island Iced Tea, and after drinking it, her face didn't change as if nothing happened..... Do you think four cups of White Lady are better than one cup of Long Island Iced Tea?"

"You're looking at the way she holds the cup and the way she uses the stirrer..... Only a regular cocktail drinker knows that holding a glass must not affect the temperature of the glass, and will know that when using the stirrer to pluck the ice cubes, pull it from the bottom to the top....."

"Do you think such a person would not know what cocktail has a high alcohol content, and would not say a word when I mix the White Lady?"

Gao Yuemei was speechless by Cheng Mo's question, looked at the video screen and recalled, when she watched the girl being supported by a middle-aged man just now, she really didn't look like a drunk mess, at this time, she actually completely believed Cheng Mo's inference, but she still stubbornly mocked: "You observe other girls very carefully!

Shen Youyi tugged at Gao Yuemei, and persuaded softly: "Forget it, Xiaomei, I think you really misunderstood this handsome guy, let's go!" Then Shen Youyi said slightly to Cheng Mo and Big Eyes: "I'm sorry, my friend, she didn't mean it, she just likes to fight unevenly, especially when I can't see men cheating women....."

Cheng Mo said noncommittally: "In this case, I will go back to work, you have delayed me for a long time to make money." After finishing speaking, Cheng Mo walked towards the door of the security room.

Gao Yuemei stretched out her hands and stopped her in front of Cheng Mo, bit her lip and said, "This matter is over, there is still one thing to be done..... Why did you say that I paid to go on a date with you, and why didn't you spend the night with me..... You shameless ....." At this time, she felt that it was too much to say that Cheng Mo was a shameless person, Gao Yuemei paused, thought for a few seconds and then changed her words: "How can you say such shameless words!"

Cheng Mo looked at Gao Yuemei who stopped in front of him, slightly shorter than the carrier, about 171 in height, but the height difference between him in high heels was not very obvious, almost in front of him and looking at him, there was a burning bonfire in her eyes, it was an unyielding will, not an unwilling anger to find out that she was actually wrong.

This suddenly made Cheng Mo a little big, he really didn't expect that Gao Yuemei, who was very queenly in school, would be so difficult to deal with in private, and it could even be said that it was a little difficult.....

So Cheng Mo stepped back a little, kept a distance from Gao Yuemei and said, "Let's put it this way! I speculate that the middle-aged man in the plaid suit is the manager of the investment bank..... If you pay attention to his phone, you will see that it shows the time in the United States, London, and China..... His forehead sweats easily, and sweating in such weather can only indicate that he lacks vitamin D in his body, which shows that he needs to stay in an enclosed space for a long time, and may not see sunlight for a long time..... He is very sensitive to numbers and can accurately calculate how much he should pay for a few drinks without thinking..... His payment is very generous, indicating that the income is very good..... All this shows that he works in investment banking!"

"And working in investment banking, there is an unspoken rule, that is, people in low positions can only wear plain suits, generally black and blue, and only people in high positions can wear fancy suits...... I can tell you unequivocally, that girl is not simple..... I stopped you at the time, but for the sake of your tip, I stopped you from getting into trouble....."

Gao Yuemei was completely stunned by Cheng Mo Holmes's observation, and said for a long time: "Then I should thank you for saying that?"

Cheng Mo said expressionlessly: "No, since you sat in front of me just now, paid the honorarium, and became my guest, I have the responsibility to relieve you of the difficulties you will face.....

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