When analyzing Alyssa''s skeleton in the dissection room, Chen Yan had carefully observed the scar on the inside of the third rib.


    At that time, Chen Yan judged the depth of the scratches and the direction of the scratches and analyzed the method of the murderer''s knife and the approximate height of the murderer.


    Holding a knife in his backhand, he is about 1.4 meters tall.


    And the use of knives is very special, similar to the slender and narrow knives of ham slicers.


    "Captain Chen, Officer Zhang, this is our Liancheng.


    The content of this chapter is being updated...