Expert Interviewing, Negotiation, Persuasion & Influence
and Deception Detection Training

Truth Intelligence Consulting trains professionals to differentiate between truth and lies using evidence-based methods for assessing verbal cues. All our methods are non-coercive, versatile, and grounded in the highest ethical standards and scientifically validated by world renowned experts within the behavioral and social science community.

Reliable deception detection is a powerful tool, which is why John offers training, consulting, and workshops for a wide range of industries and professions – from, insurance, and legal to private investigation. John also trains thousands federal agents and law enforcement personnel domestically and internationally on the science behind persuasion and influence and verbal-cue based deception techniques.

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Learn how we put the science behind interviewing, negotiation and persuasion for Law Enforcement, private industry, and Cyber Security professionals and Ransomware prevention.


    Our Services and Focus

    We provide expert and practical Science Based Training and Consulting for:

    • Deception Detection Tactics
    • Negotiation, Persuasion, and Influence Techniques
    • Competitive Business Intelligence
    • Cyber Attack Prevention Training
    • Effective Questioning Strategies
    • Ransomware Detection & Prevention

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    John Gervino

    John Gervino

    Science-Based Deception Detection Trainer & Consultant & Former U.S Special Agent & Mobile Interrogation Team Leader for the High Value Detainee Interrogation Group

    As the founder, trainer, and lead consultant for Truth Intelligence Consulting, John and his team teach business and law enforcement professionals science-based interview, and deception detection and persuasion and influence techniques that enable non-coercive and reliable truth discovery.

    Simply put, we train professionals to differentiate between truth and lies using evidence-based methods for assessing verbal cues.

    John operated 24 years as a U.S. federal agent, primarily engaged in counter-terrorism operations and in 2012, John was selected to lead an elite team of expert interrogators assigned to the High Value Detainee Interrogation Group (HIG), serving as a Mobile Interrogation Team (MIT) leader and lead interrogator.

    Today, John seeks to transform the practice of deception detection, persuasion and influence and strategic interviewing by incorporating those same science-based methods in both the private and public sector.

    Participants have found John’s workshops to be highly valuable learning experiences. Contact him to find out how to use science and verbal cues to detect deception, improve your interview, persuasion and influence and deception detection skills, and mitigate risk.

    Testimonials