捜 - search, look for, locate

special investigation

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

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

(police) investigator

Federal Bureau of Investigation (US); FBI

investigating authorities; law enforcement authority

(criminal) investigation headquarters

scientific crime detection; forensic investigation

special investigation headquarter

forensic research

criminal investigation

request for a police search; application to the police to search for a missing person