Creator: Forensic Voice Stress Analyser detects unheard frequencies

Detecting deception: Ryan demonstrating how the FVSA works.

PETALING JAYA: Unknown until now, Malaysian investigators have been using a tool that is more powerful than the polygraph. It can tell with certainty when someone is lying, according to its creator.

The FVSA – Forensic Voice Stress Analyser – has been used with amazing success to determine who were involved in the Lahad Datu incursion last year.