Where do polygraph examiners work?

Polygraph examiners mainly work in the fields of criminal justice, law enforcement, and intelligence at agencies and in departments specific to these areas. They can play a vital part in investigations and job applicant screenings. They can be called into courtrooms and legal proceedings to perform tests or testify about results. Some psychology practices may employ a polygraph examiner. There are also private services that hire polygraph examiners for customers wishing to know the truth from a spouse or loved one.