noun Date: 1940 a person not a member of a police force who is licensed to do detective work (as investigation of suspected wrongdoing or searching for missing persons)
PRIVATE INVESTIGATOR
Meaning of PRIVATE INVESTIGATOR in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012