C446 The smell of the serial killer

"The smell of ash?" Old Tian frowned. He immediately used his nose to sniff the air. Indeed, he was able to distinguish a strange smell of paper ash from the smell of blood.

"There's such a smell in the house of the person who survived?" Old Tian narrowed his eyes, "Don't tell me that the murderer will burn paper for his own dead body when he arrives at the scene? This is really weird