There’s no greater incentive to lie than the threat of punishment for telling the truth.


POLYVSA – SA’s premier training facility for Detection Of Deception techniques and technologies

Voice Polygraph – AVSAPRO systems Biofeedback Polygraph – Stoelting Systems
Truth Extraction – Physiognomy, Kinesics, Scan (Combo) Investigative Interviewing – Reid’s Presumptive Question Technique
SCAN – Statement Content Analysis / Statement Veracity Analysis
POLYVSA Institute of Training