捜そう査さ主しゅ任にん

noun

chief investigator; head of the investigation; lead investigator

Refers to the senior officer in charge of a criminal investigation, typically within a police force.

• 捜そう査さ主しゅ任にんが記き者しゃ会かい見けんで事じ件けんの概がい要ようを説せつ明めいした。

  The chief investigator explained the outline of the case at the press conference.

• 彼かれはベテランの刑けい事じで、今こん回かいの殺さつ人じん事じ件けんで捜そう査さ主しゅ任にんに任にん命めいされた。

  He is a veteran detective and was appointed lead investigator for this murder case.