polygraphs

he took a polygraph test to prove his innocence.

the results of the polygraph were inconclusive.

many employers use a polygraph during the hiring process.

she was nervous about taking the polygraph exam.

the polygraph measures physiological responses to questions.

he felt confident that the polygraph would clear his name.

polygraph testing is controversial in many legal cases.

she agreed to a polygraph to verify her statement.

some people believe polygraphs are not reliable.

the detective recommended a polygraph for the suspect.