In The Case for Forensic Polygraph Testing in Post-Adjudication Sexual Offender Examination and Management, polygraph expert witness Ken Blackstone writes:
The Problem
Polygraph examination is a catch-all term used to describe the use of the polygraph instrument, either as a forensic tool to determine the veracity of a statement or as a utility tool to generate statements and disclosures. While these two approaches are superficially similar their foundations are not.