Description: Polygraph Expert John Grogan Polygraphs and Associates - California Voice Stress Analysis, Digital Voice Polygraph, - English, Spanish, Korean, and Hebrew Polygraphs - Polygraph Innocence Project and Immigration Credibility Assessment - Oculomotor Measurement Deception Detection Testing - Relationship and Immigration Polygraphs, Lie Detection Testing - Los Angeles, Sacramento, Burlingame, New York, and Atlanta Polygraphs.
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Voice Stress Analysis, Training and Lectures nationwide since the 1980s the 'Digital Voice Polygraph' specialist Manufacturer Trained & Certified with two Law Enforcement Agencies NOTE: Voice lie-detection is used by the California Highway Patrol, the Los Angeles County Sheriff's Department, nearly 200 California police agencies, and nearly 2000 world-wide law-enforcement & military agencies including the FBI, CIA, NSA, NIS, Homeland Security, Military Investigative Units and many major insurance companies
Affordable CERTIFIED Computerized 'Lie Detection' Testing since the 1980s for:
Experienced :: Most Languages Court Appointed and Recognized Polygraph Expert Available to serve you nationwide! Diogenes - NITV - Nemesysco - CVSA Male and Female Analysts In-person and by telephone or recordings Also available: Voice Stress Analysis and Layered Voice Analysis; micro-expression, body-language; MRI/fMRI; oculomotor measurement deception detection: eye pupil diameter increase, dwell time, and eye-movement / eye-tracking; concealed emotion; and PPG-Plethysmograph More than 5000 completed exa
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Polygraph: voice polygraph recognized in 43 states
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Infidelity Polygraph: cheating in a relationship testing