捜 - search, look for, locate

search (esp. for someone or something missing); manhunt

special investigation

(police) investigator

search (esp. in criminal investigations); investigation; inquiry; enquiry

search conducted with the consent of the party concerned

(police) legwork; house-to-house inquiry; canvassing; investigation carried out by questioning neighbours, bystanders, etc.

Federal Bureau of Investigation (USA); FBI

criminal investigation

special investigation department

sting operation; undercover investigation

search warrant

search party