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About Us

We provide consulting and training services in threat assessment, threat prevention, threat response, and tactical negotiation related to preventing and responding to targeted violence. Our approach is based on a keen understanding of offender behavior and human physiology that is based on empirical research and evidence-based best practices.

Dr. Vecchi

Gregory M. Vecchi, Ph.D. retired from the Federal Bureau of Investigation (FBI) in the position of special agent/criminal investigator, where he conducted criminal investigations in the areas of drug trafficking, kidnapping, organized crime, outlaw motorcycle clubs, targeted violence, terrorism. Dr. Vecchi served as Chief of the legendary FBI Behavioral Science Unit, and he was a career crisis negotiator.


Dr. Vecchi is a Certified Master Trainer in Threat Evaluation and Reporting with the U.S. Department of Homeland Security. He has published numerous peer-reviewed books, book chapters, and articles on crisis and hostage negotiation, crisis and suicide intervention, crisis management, and targeted violence. His most recently published book is Fatal Grievances: Forecasting and Preventing Active Killer Threats in School, Campus, and Workplace Settings. Dr. Vecchi is an active member of the Association of Threat Assessment Professionals (ATAP) and ASIS International.

Dr. Vecchi is the founder and Principal of Vecchi Group International, LLC, where he uses his specialized skills in determining and understanding the motivation of offenders from their perspective for the purpose of determining the meaning behind their behavior and using that knowledge in concert with empirical-based best practices to forecast, prevent, and mitigate targeted violence and its foreseeability. Dr. Vecchi uses his analytical skills in his consultations with multiple corporate and educational clients to determine levels of threat and risk, as well as appropriate interventions. Dr. Vecchi also provides behavior-based research, training, and consultation services in behavioral analysis, crisis communication, de-escalation, interviewing and interrogation, police policy and procedures, premise liability and foreseeability, threat assessment, use-of-force, and violence prevention and intervention.


Dr. Vecchi serves as a Professor at Keiser University, where he specializes in criminology, criminal justice, and homeland security. Previously, he was employed as an Assistant Professor of Criminal Justice at Missouri Western State University, where I specialized in research and instruction in targeted violence, threat assessment, and violent crime, as well as profiling and behavioral analysis. Dr. Vecchi is the Director of Training for SafeDefend, LLC, which specializes in preventing and responding to acts of targeted violence such as active killer attacks.


Dr. Vecchi is a court-recognized expert in confirmation bias, interrogation, and police investigations and procedures under the jurisdiction of the United States District Court for the Northern Mariana Islands. He also serves as a reserve Deputy Sheriff with the Clinton County, Missouri, Sheriff’s Office where he trains law enforcement officers in de-escalation, negotiation, and use-of-force topics.

Dr. Greg Vecchi
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