He spoke calmly, "The three hundred dollars in the drawer have disappeared without a trace."
Jiang An immediately added, "Regarding the cash on Yang Xiu's person, the killer might not have known, but he was certainly aware of the cash stored in the drawer."
"Has anyone noticed that the key is still inserted in the lock?"
"This undoubtedly hints that the suspect most likely used this key to unlock it..."
Li Jian, deep in thought, nodded frequently, "Indeed, there are traces of blood on this key."
"According to forensic identification, the blood is suspected to come from Victim Number One, Yang Xiu."
Jiang An nodded again, a gleam in his eye.
"Thus, everything falls into place logically."
"I speculate the crime occurred as follows: The killer broke into the room, rushed straight to the second floor, brutally murdered the woman before returning to the first floor."
"Wielding a sharp blade, he killed Yang Xiu and then used the key taken from Yang Xiu to open the drawer."
