Duan Lin's father also went in to have a look. When he saw the bright blue blood stain on the floor, he was shocked and asked, "Why is the color of this blood like this?"

Lin Dongxue explained to him that this was luminol reagent, and that it turns fluorescent blue when it reacts with blood stains. The uncle nodded in understanding.

Chen Shi walked over and said "Excuse me" to the uncle. The bathroom was very narrow, with large areas of bloody drag marks on the uneven tiles. The bathroom was very clean when he came in previously. It seemed that the blood stains had been cleaned up.

"Brother Chen, the tiles weren’t laid very professionally. Traces of blood can be extracted from the gaps." The forensic police officer said to him.

"This seems to be left behind from the dismemberment." Chen Shi knelt down and looked back to see...