"Nakanishi. It's Detective Cavallo, Nakanishi-san."

Nakanishi's hand stirred. His eyelids fluttered. His lips moved. Sounds came out, but were unintelligible to the men.

"Nakanishi, it's Detective Cavallo. If you can understand me, move your right hand."

The hand remained still, but Hideo continued to mumble. One word in particular recurred continually.

"Okasan. Okasan."