investigator Synonyms

research worker detective researcher TEC police detective pollster psychiatrist evaluator psychoanalyst querier secret agent gumshoe tracker tracer tester seeker sleeper sleuth sleuthhound sociologist spy studier surveyor tail searcher dick sherlock sleuthing snooper examining magistrate investigators investigating officer researchers detectives scanner revenuer psychotherapist private detective private investigator hawkshaw plainclothesman postdoctoral private eye shamus prober investigation officer agent checker checkers coroner