Helpful invention for an investigation with 捜査

Kanji Explanation: Investigation and inspection with 査

Conan is now staying with Detective Mouri in hopes of finding a case related to the men responsible for his becoming a child. He stops by Professor Agasa’s place to discuss the situation.

阿笠(あがさ):: 「おお、そうじゃ！！」; “Oh, that's right!!”; 「君(きみ)の捜査(そうさ)の役(やく)にたつと思(おも)って、作(つく)った物(もの)を…」; “I made this thinking it might help with your investigation...”