The technical director continued to report.


    On the projection, there are three sets of shoe prints that have been separated.


    "After comparison, it can be determined that the two groups belong to the victim Li Yansong''s taxi driver."


    The two sets of shoe prints on the projection disappear, leaving only the left set of shoe prints.


    "The extraction of shoe prints on the pads is sequential, and we used the existing technology to extract a total of seven shoe prints on the pads."


    "After separation


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