investigator:
(plural: ‘investigators‘; pronunciation: the letters ‘i’ rhyme with the letter ‘i’ in “ink”)
a police investigator (CSI) examining some evidence at a crime scene
a qualified person/an expert who examines the reasons for something, such as an accident, somebody’s death, a theft, etc., the character of someone, etc., by carefully studying the circumstances, by doing a careful examination and/or by questioning others,
investigator investigating a bomb explosion site
John is an efficient crime investigator who knows how to find out the truth from the simple things (evidence) he finds at the crime and by questioning the people that are related to the crime.
When she suspected some foul play in the company records, Mary immediately engaged a private investigator to find what was going on behind her back.
Crime scene investigators, whom very few people knew about, are made popular by the American TV serial C S I, and now even children know about them and their way of solving crime cases.
When high level officials are involved in a fraud or crime, the government appoints some highly trained investigators who, unlike the investigators the tough guys who fight and scare the bad men we see in the films/movies, investigate the fraud or crime using their mental power.
