(law enforcement) A police officer who looks for evidence as part of solving a crime; an investigator. / A person employed to find information not otherwise available to the public.

Employed in detecting.

plural of detective

to discover or find by careful search, examination, or probing

(obsolete) Detected.

plural of detection

An act of detection.

present participle of detect

The act of detecting or sensing something; discovering something that was hidden or disguised.

Having been noticed.