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John W Ryan

Trainer,  Author

AU Australia

Biography

I have been in the Security / Law Enforcement Profession for over 40 years. I am a Master trainer for ITVT the suppliers of the Forensic Voice Stress Analyzer.

Books by John W Ryan

I Survived

I have spent the majority of my life Training in Martial Arts, Deception / Truth verification, Anti Corruption & Law Enforcement weapons.
4945 views > 4 reviews / comments
5
Non Fiction > Memoir & Biographies