“I thought the “science” of polygraphy called for short sessions?”
Depends upon the questions. I’ve heard of ‘em taking hours per day and several days.
Last one I had only took about 45 minutes. But they were straightforward “easy” questions and we did four passes.
Thanx. My experience was about 20 years ago. We seemed to never have more than 15 questions. Of course we were doing simple investigations.