聞き込み捜査ききこみそうさCommonVariants聞き込み捜査ききこみそうさ聞込み捜査ききこみそうさMeanings(police) legwork; house-to-house inquiry; canvassing; investigation carried out by questioning neighbours, bystanders, etc.Kanji used聞ask込(kokuji)捜locate査investigate