Murdering your wife.

She betrayed you first. You probably had no more reason to hesitate.

After you hid Shimizu's corpse, ...

You killed your wife at Shimizu's residence.

How's that? Was there any parts where I was wrong?

And you left it like that. Shimizu would have been treated as a missing person, and also would have been a suspect for killing your wife.

The reason why you appeared in front of Manda in a suspicious outfit was to give a sense of reality to Shimizu's disappearance.

Mr. Sawada. Rather...