After the forensic technicians had taken photos, the two of them put on gloves and shoe covers before entering the scene. There were eight beds in the narrow container house. The corpse had fallen to the ground facedown with blood flowing everywhere. The stench of blood filled their nostrils.

Chen Shi sniffed and smelled something sweet. He looked around and found an empty bottle under the bedside table.

This was a domestically manufactured carbonated beverage bottle, which had been emptied. Chen Shi unscrewed the bottle cap and found a strange pattern in the bottle cap. He glanced at the body of the bottle and took out identical bottles from the bag that the workers put empty bottles in. He unscrewed the bottles one by one.

He handed the bottle cap to Lin Qiupu and said, “Look. What’s this?”

Lin Qiupu...