Peng Sijue took the knife in his hand to examine it. It wasn’t clear whether it was the knife that the murderer had used to kill the two victims. He handed it over to a technician to take back for further testing.

The forensic investigator noted, "Something seems to have been cooked and left in the pot?"

Everyone moved to the kitchen and opened the lid. There was a pot of leftover noodles with a layer of frozen oil floating on it. Lin Qiupu swirled the contents of the pot with some chopsticks a few times and fished something out. "Cooked noodles with pork and preserved vegetables."

Peng Sijue seemed to suddenly think of something. He picked up the chopping board, wiped it with a cotton swab moistened with alcohol, and put it in the testing kit.

Staring at the chemical reaction...