公こう開かい捜そう査さ

noun

open criminal investigation

A police investigation in which information is actively shared with the public, often to gather tips or evidence.

• 警けい察さつは公こう開かい捜そう査さに踏ふみ切きった。

  The police launched an open criminal investigation.

• 公こう開かい捜そう査さによって多おおくの情じょう報ほうが寄よせられた。

  Many tips came in through the open investigation.