Yun Chuan closed his eyes and said expressionlessly: "The FBI proposed a concept around 80 years called an unorganized serial murderer. ”

"Their sane and social functioning have been lost or dulled, and they have been partially or completely detached from the real world, so the scene where they commit the crime often has some distinguishing features."

"Often on the spur of the moment, targeting familiar locations, crime scenes are random and messy, scenes

"It's really hard to be behind the scenes in the world of Kexue" Chapter 93 The fourth possibility is in the middle of the hand, please wait a while,

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