search (esp. in criminal investigations); investigation; inquiry; enquiry
search (esp. for someone or something missing); manhunt; legally authorized search of a person, building, etc.
police investigator; investigator
investigator (usu. of criminal cases)
(criminal) investigation headquarters
request for a police search; application to the police to search for a missing person
house search (e.g. by the police)
compulsory investigation; compulsory search
criminal investigation department; CID; criminal investigation section
forensic researcher; crime scene investigator
scientific crime detection; forensic investigation
special investigation department
sting operation; undercover investigation
right to investigate; investigatory power
criminal investigation squad (team)
initial investigation (by police)
open criminal investigation
house search (e.g. by the police)
investigating authorities; law enforcement authority
special investigation headquarter
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
search conducted with the consent of the party concerned
controlled delivery; arm's-length surveillance
Special Rescue Exceedraft
Deep Submergence Systems Project; DSSP