Kunikida is being held for a murder that Rampo is certain he didn't commit. Meanwhile, Poe is determined to solve a murder mystery that has had the poilce stumped. Rampo has some thoughts on that situation, too.
It's a proper piece of evidence.
.إنّه دليل دامغ
È una vera e propria prova.
É uma prova do crime.
Как-никак это важная улика.