noun
criminal investigation division; detective division
Refers to the section within a police department that handles criminal investigations. Often used in news and crime dramas.
刑事課の刑事が現場に到着した。
Detectives from the criminal investigation division arrived at the scene.
捜査一課 is a specific unit within the criminal investigation division, often handling major crimes like murder.
Compound of 刑事 (criminal affairs) and 課 (section, division).