As the white vinegar smoke fumigated the body, creases slowly appeared on the human leather, all of which were caused during the tanning process. There were also some scratches which might have been caused during handling.

There were ligature marks on the wrists and ankles, indicating that the deceased had been bound before her death.

A large splash mark was visible on the body, with a line of liquid flowing from the neck to the chest. As soon as I sprayed poplar solvent onto the leather, it immediately turned purple. "Blood!" I cried.

"The dead woman died after a fatal neck wound and shed a lot of blood at the time,” summarized Xiaotao.

I turned the human leather over and carefully examined the ligature marks. "The skin on the victim’s waist and thighs are a little loose,” I noted. “Combined with the ligature marks, the dead...