C183 Alcoholic Old Man
The young policeman was suspicious. He looked at the older policeman as if he was begging the older policeman to make up his mind. The older policeman picked up the rag with his gloved hand and looked at it and smelled it before saying, "There is human blood on it!"
Of course, the cloth was something Tang had wiped off the dagger with, and the dagger was stained with Yao Loongxu's blood
