事じ件けん簿ぼ

noun

case file; incident record

A file or record that documents the details of an incident, often used in police, legal, or investigative contexts.

• 警けい察さつは事じ件けん簿ぼを調しらべて、類るい似じの手て口ぐちを探さがした。

  The police examined the case files to look for similar methods.