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.
of making sure the grenades matched 
the model used by the Agency.
.أنّ القنبلة تطابق النّموذج الّذي تستخدمه الوكالة
di assicurarsi che la granata
fosse dello stesso modello usato dall'Agenzia.
uma granada que fosse do mesmo
modelo usado pela agência.