"No drug residue in his body?" I mused. If that was the case, how did the murderer switch identities in the car?

Of course, all our current deductions were based on the preconception that the murderer was the Imitator. But there was another possibility–it might just be a simple case of uxoricide.

If so, the evidence collected so far was conclusive enough to convict the suspect at once. But it was exactly this reason that propelled my doubts.

I waved my hand, "Let’s talk to the witness. Is the car wash manager still at work?"

"The man was on the night shift and should still be there," nodded Xiaotao.

"By the way, do me a favor, won’t you?"

I asked Xiaotao to send an officer into the detention room to take a video of the suspect in custody. Xiaotao...