Yuan Youchong and Yu Chen glanced at each other. \ At this point, the two of them have understood that Dai Sheng's suitcase is estimated to have been dropped in just one or two minutes when he went to buy cigarettes.
Therefore, in the suitcase where the body of the dead baby was found, only the lever was close to the handle, and his fingerprints were found, which were presumably attached when the suitcase was handed to the courier brother.
As for the handle itself, due to the rough material, it can't carry fingerprints well, and of course there are no valuable clues extracted from it.
"Wait a minute."
Yuan Youchong suddenly stood up and walked out of the interrogation room.
After a short while, he went back and forth, and returned with an assistant forensic doctor, who was holding a disposable sterile paper packet.
Yuan Youchong said: "Since you think you are innocent and wronged, then, dare to cooperate with us, let us take some DNA samples for identification."
Yu Chen glanced at him and knew that he was just trying to trick Dai Sheng.
After all, the victim and the dead baby had already been dried at high temperatures, and even if there was some evidence on it that was enough to lock the suspect, it was all destroyed and unusable.
However, it is also beneficial to obtain Dai Sheng's samples in advance.
For example, if a murder scene is found and there is lucky enough biological evidence pointing to the suspect that can be identified, it can be directly used to compare it with Dai Sheng's DNA.
Dai Sheng thought for a while and asked, "Do you want to draw blood?"
"No, just take some oral epithelial cells."
The forensic assistant replied.
As he answered, he asked Dai Sheng to open his mouth.
Dai Sheng immediately cooperated, and the forensic doctor took it and scratched it in his mouth a few times, put it in a test tube, nodded to Yuan Youchong, and left.
As soon as he left, another detective came in with a small suitcase.
The suitcase is not large, and the size of the standard carry-on suitcase is limited.
Yuan Youchong pouted again: "Look, is this suitcase yours?"
"yes."
Dai Sheng glanced at it and said without thinking: "Xiaomi's, 90 minutes and 20 inches of the boarding suitcase, it won't be wrong, I only bought it last year." ” "This guy is a bit natural," Yu Chen muttered in his heart.
According to common sense, when a suspect encounters this kind of thing, he will try his best to dissociate himself from him, and his first reaction must be that this suitcase is not his own, Dai Sheng is good, and he admitted it without thinking.
However, this kind of performance won Yu Chen's favor, and in his heart, this guy's suspicion was a little smaller.
"Are you sure" Yuan Youchong seemed to have the same thoughts as Yu Chen, chuckled, got up and opened his handcuffs, and said, "Go over and take a closer look." ” Dai Sheng blinked, couldn't help but move his wrist, and then hurriedly said "hey" and walked to the edge of the suitcase to identify it carefully.
"That's right, that's me," he glanced at a few times, and suddenly made a discovery, squatting down and examining it carefully for a while.
Then, he couldn't help but raise his hand and poke towards the cipher gear, but halfway through, he paused again, turned back and asked, "Well, can I touch it here?"
"E" Yu Chen glanced at the policeman standing on the side, motioned for him to give Dai Sheng a glove, and couldn't help complaining: "If you have something to say, try the password, try the password, what do you mean by touching it here, it's like an AV scene" Dai Sheng laughed dryly, quickly put on his gloves, and then fiddled with the gears and tried to open them.
After a while, he shook his head: "The password I set is 818, I can't open it, this suitcase is not mine."
Anyway, you don't have a password, how can you open it?"
"We've got the key."
Yu Chen's attitude towards him was much better, and after explaining, he said: "There is no other basis besides the password."
"Hmm."
Dai Sheng said: "I just said that my suitcase was bought last year, and I used it a few times, and I also brought it with me when I went on a trip last month, the wheels were a little worn, and there were two scratches on the box." ” "The most important thing is that I actually checked in this box once, although there were not many things I brought that time, but it was quite heavy, my boarding gate was far away, I didn't want to drag it all the time, so I checked it in, but when I took my luggage, one corner was smashed and sunken a little bit."
"But you see, this suitcase is so new, it looks like it was just bought, and it's definitely not mine."
With that, he returned to his seat and sat down, picked up the handcuffs on the table and asked, "Well, am I going to put this thing back on?"
"No need."
Yuan Youchong squeezed out a smile, shook his head and said, "Your suspicion has been preliminarily ruled out, answer a few more questions from us, and you can leave."
However, don't go out of town in the near future and make sure you're on call. ” "Okay, good" Dai Sheng immediately nodded again and again: "You ask" Yuan Youchong handed him a cigarette, Yu Chen poured him a glass of water, and then Yuan said, "We now suspect that you may have been framed and blamed."
So, please think carefully about whether you have offended anyone recently."
"This is not it" Dai Sheng scratched his head and said: "I just play a game to level up, usually stay at home to take orders, and go out to play when I am in a panic, although I am not an otaku, but I have no contact and communication with others, and I don't even have a girlfriend, who can I offend?"
"There are a lot of friends on the Internet.,Just the friend I borrowed the camera also met on the Internet.,But I'm talking on the Internet Sometimes I'm more impulsive.,Will scare people.,But I've never even seen a face.,Don't frame me so much."
Yu Chen frowned, still not giving up, and said, "Please think about it again."
The murderer bought a cabin suitcase of the same style and color as you, and swapped it with the box you were going to send. ” "This shows that he has been observing, even monitoring and listening to you recently, and the direction can be said to be very obvious, and the motive is also quite clear, and his target is obviously you."
Dai Sheng's face turned pale, and the cigarette ash was even more shaking, and his pants were all over.
He immediately slapped his pants clean, and then he didn't have the heart to smoke the cigarette, and after snuffing it out, he scratched his ears and cheeks, and pondered.
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After a long while, he still shook his head helplessly and said, "I'm sorry, I really can't think of it."
"Okay."
Yu Chen was a little disappointed, glanced at Yuan Youchong, and saw that he didn't have anything to ask, so he stood up and said, "Then let's get here first, thank you for your cooperation."
In addition, please keep your mobile phone open in the near future, we may contact you at any time. ” "In addition, I will give you my number later, and when you go back, if you think of any clues or find any situation, you can call me at any time."
"Okay."
Dai Sheng nodded again and again, hesitated for a moment, and said a little embarrassed: "That, officer, can you please send two people to protect me, hearing you say this, I always feel that my heart is not very steady
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