Su Tian could guess what they were thinking when he looked at their expressions.

But there's no way, if you want to chase people, it's still a straight man of steel who is also cold and rigid.

Then you can only make yourself softer first.

After all, no matter how hard it is, it's not soft to be afraid of finger wrapping.

After a brief introduction, they went straight to the point.

"You are all elites urgently hired by the provincial bureau from all over the country, and on behalf of the provincial bureau, I would like to thank several of them for their help, and I have shown you the files in the past two days."

"In the three cases, the murder methods are different, the choice of subjects is different, and there is no law in time and place, the only thing that can connect the three cases is the black rose left by the murderer at the scene of the crime, and the shape that the deceased was deliberately posed in after his death."

"But in fact, only the roses in the first two cases were drawn by the murderer with the blood of the deceased, and the mark in the last case is different from the first two cases."

"Experts from our provincial bureau's serious crime team have also discussed it before, but there is no specific conclusion about whether the last case was a copy, or even whether the murderer is the same person."

"We currently have very few clues, and the murderers at each crime scene have been cleaned up quite cleanly, so whether it is an individual or a gang, the other party's anti-reconnaissance awareness is quite strong."

"Guys, we're going to have tough opponents." Chen An took out a laser pointer and explained to everyone while mobilizing the PPT, and at the end, he looked at the others and asked, "What do you think?" ”

Wu Hao and Xie Chen shook their heads, this is not their specialty, so naturally they will not be reckless.

"I suggest re-looking the surveillance of the community where the first deceased is located, that is, Building 16 of the Haitang Community."

"Often, this kind of seemingly invulnerable secret room is taking advantage of people's blind spots."

"The deceased lived alone, and returned home after dancing with the eldest sister next door that morning and shopping for groceries, and then did not leave the house until one o'clock in the afternoon, until the deceased died."

"The murderer, it is very likely that the deceased came to the deceased's house before he left the house that morning."

"So in the surveillance, no one was found to have entered the deceased's room before and after his death."

"After the murderer strangled the deceased, the whole room was turned into a secret room by some means."

"In this case, obviously as long as the secret room is cracked, there will definitely be clues, and the monitoring of the Begonia community from seven o'clock in the morning to three in the afternoon will be transferred again, maybe there will be clues." Li Chen looked at the information and said slowly, he was obviously very interested in this secret room case.

Bai Qi nodded, "If the murderer entered the deceased's house in advance, and the door lock of the deceased's house was checked by the trace inspection side and there was no trace of damage, it is very likely that the murderer had the key to the deceased's house, and we assume that the murderer had the key to the deceased's house, then it would not be a problem for him to complete this secret room." ”

"The old-fashioned door can be locked in the room, and then it is vigorously closed, and it automatically forms a state of locking from the inside."

"It's just that the deceased's family is abroad, and they all came back after the deceased's death, and according to his children, they have no relatives here for a long time, and the deceased does not have anyone other than his children who will give the key."

"Then there's a good chance it was a premeditated homicide." I don't know what came to mind, a cold light flashed in Bai Qi's eyes.

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