investigator (usu. of criminal cases)
(criminal) investigation headquarters
compulsory investigation; compulsory search
criminal investigation department; CID; criminal investigation section
sting operation; undercover investigation
scientific crime detection; forensic investigation
right to investigate; investigatory power
Second Investigation Division (of the Japanese police); division responsible for investigating white-collar crimes like fraud, bribery, embezzlement and election violations
criminal investigation squad (team)
initial investigation (by police)
house search (e.g. by the police)
open criminal investigation
First Investigation Division (of the Japanese police); division responsible for investigating homicide, robbery, kidnapping, arson, and sexual assault
Federal Bureau of Investigation (US); FBI
investigating authorities; law enforcement authority
mobile investigation unit (police); MIU
Third Investigation Division (of the Japanese police); division responsible for investigating theft, burglary, shoplifting, etc.
chief investigator; head of the investigation; lead investigator
search for corroborative evidence
(police) legwork; house-to-house inquiry; canvassing; investigation carried out by questioning neighbours, bystanders, etc.
police investigation carried out in the immediate vicinity of a crime site
Fourth Investigation Division (of the Japanese police); division responsible for investigating organized crime and the yakuza
search conducted with the consent of the party concerned
Second Investigation Division (of the Japanese police); division responsible for investigating white-collar crimes like fraud, bribery, embezzlement and election violations
Third Investigation Division (of the Japanese police); division responsible for investigating theft, burglary, shoplifting, etc.
Fourth Investigation Division (of the Japanese police); division responsible for investigating organized crime and the yakuza