Part 6/8:

Importantly, the examiner refuses to compromise his ethics; he declined an offer to assist in passing a marital case test for money, emphasizing that maintaining integrity is paramount. He believes that polygraph tests are most effective in cases lacking concrete evidence, providing direction for investigators by indicating areas worth exploring.

The Human Element and Caution in Interpretation

He discusses the difficulty of reading truthfulness in everyday human interactions, such as questioning friends or spouses about their whereabouts or intentions. He advises against reading too much into a single response; instead, he recommends stopping at the answer and avoiding assumptions.