investigator
/ɪnˈvɛstɪˌɡeɪtər/
noun
- A person who investigates something, especially a crime or a problem.
- The lead investigator on the case presented her findings to the jury.
- Police investigators searched the house for clues.
- The private investigator was hired to find the missing person.
- A person who conducts scientific or academic research.
- The principal investigator is responsible for the entire research project.
- Investigators at the university are studying climate change.
- The medical investigator published a paper on the new treatment.