After the murderer entered the sewer, he used the running method of spinning steps, (that is, when running, his toes hit the ground, and his toes rotated left and right to run, so that no clear footprints would be left) Rao is so Zhang Li still calculated the size and weight of the murderer's shoes according to the strength of the murderer's starting step and the width and narrowness of the toes.

After the scene investigation was completed, Wu Rui and others returned to the criminal police corps, and on the way, Chen Jinyi received a call from the provincial department to attend an emergency meeting, so he went to the provincial department alone for a meeting.

Two hours after the incident, the murderer once again told the police a location through a voice change phone, and then said some insulting words, which can be described as extremely bold.

After the leaders of the provincial department learned of this situation, they immediately held an internal meeting, which was also called Chen Jinyi

"Black Butterfly" Chapter 5 The clue of the glove is being hit by hand, please wait a moment,

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