Definition of investigator:
government agent, spotter, plain-clothes man, hawkshaw, store detective, double agent, operative, ask, flatfoot, tester, fed, Gestapo agent, Federal agent, shamus, Treasury agent, insurance investigator, examiner, narcotics agent, undercover man, plainclothesman, auditor, sleuthhound, spy, FBI agent, secret police, sherlock, QUESTER, prosecuting attorney, inquirer, private investigator, private eye, detective, private detective, prober, CIA agent, counterspy, district attorney, policeman, T-man, police inspector, snooper, narc, dick, secret agent, dick, gumshoe, census taker, ombudsman, G-man, Sherlock Holmes, eye, inspector, sleuth, research worker, reviewer, informer, police detective, investigate, questioner, reviewing board member, experimenter, analyst, prosecutor, researcher, tec, querier, inquisitor.
The investigator might then call a dead silence in the assembly, and request each person to talk in a natural voice, then divide the total noise as before, and see what chance of being heard an ordinary individual had in it.- "The Complete Essays of C. D. Warner", Charles Dudley Warner.
- "Modern Religious Cults and Movements", Gaius Glenn Atkins.
- "Occultism and Common-Sense", Beckles Willson.