Terrorism Expert Witnesses

Terrorism expert witnesses and consultants listed here may be able to form expert opinions, draft expert witness reports, provide expert witness testimony at deposition and/or trial as or serve as consulting (non-testifying) experts on terrorism. The terrorism expert witness listings on this page are typically from fields/areas of expertise such as: Behavioral and Social Sciences, Child Abuse, Forensic Psychology, Premises Liability, Psychology, School Safety, and Security.

April Gould, Ph.D., M.A., M.P.H

Expert Criminologist - terrorism, hate crimes, DV

Park Dietz & Associates | Threat Assessment Group

Newport Beach, California
Behavioral and Social Sciences, Child Abuse - terrorism, hate crimes, political violence, intimate partner violence, cults, forensic interviewing, bullying, radicalization, child sexual abuse, risk assessment, child abduction and murder, threat assessment, grievances, domestic violence, mass shootings, school violence, suicide
Dr. April Gould is an expert on radicalization, extremism, ideological- and hate-motivated violence, and collective violence. This expertise derives from both her academic research and her personal experience interviewing and analyzing hard-to-reach and violent criminal populations. She is qualified to testify as an expert in cases in which individuals have been radicalized online or through group involvement and have acted on behalf of personal or collective grievances. She would effectively investigate, locate, and interview people who prefer to remain off the grid. Dr. Gould’s experience includes forensic interviewing, qualitative and quantitative research, and academic publishing involving over 9,500 cases involved in criminal and civil litigation. Dr. Gould has interviewed current and former terrorists, AB109 parolees, members of law enforcement, gang members, and victims of child abuse, sexual assault, and domestic violence. She has taught courses on violence risk assessment...

Elizabeth J Dumbaugh, CPP

THG Consultants

Sarasota, Florida
Security, Premises Liability - Apartment Security, Parking Lots, Parking Garages, Terrorism, Bars/Lounges/Nightclubs, Security Guards, Transportation Security, Hotel Security, Security Management, Violent Crimes, Inadequate/Negligent Security, Special Event Security, Workplace Violence
Elizabeth Dumbaugh, CPP, is a premises liability and security consultant and testifying expert for THG Consultants, a firm whose consultants have conducted more than 1400 forensic evaluations of premises located in 46 states as well as in Puerto Rico, the Virgin Islands, Columbia, South America and Istanbul, Turkey. Elizabeth consults regarding security and safety aspects of commercial property management and conducts security audits for various types of commercial premises, including but not limited to: multi-family housing, resorts, hotels, retail and office space, nightclubs, and convenience stores. She is board-certified in security management, having earned the prestigious designation of Certified Protection Professional (CPP) from ASIS International, where she serves on the ASIS Leadership and Management Practices Council providing global security best practices to ASIS members. She is a Crime Prevention Practitioner, a designation awarded by the Florida Attorney General’s ...

JOSEPH W TADRICK, MBA, MS

DHS CWMD

Little River, South Carolina
Security, School Safety - Terrorism, School Security/Safety, Religious Facilities Security/Safety, Active Shooter Prep, Parking Lots/Garages, Entertainment Venues, Sports Arenas, Transportation Security, Hotel Security, Security Management, Inadequate/Negligent Security, Special Event Security, Workplace Violence
Joseph Tadrick, MBA, MS, is a premises liability and security consultant. Joseph provides consultation regarding security and safety aspects of commercial property management and conducts security audits for various types of commercial premises, including but not limited to: multi-family housing, resorts, hotels, retail and office space, entertainment venues, and sport arenas. He holds an MBA in Management/Marketing, an MS in Protection Management, and a BA in Psychology. In addition, Joseph was board certified in security management, having earned the prestigious designation of Certified Protection Professional (CPP) (expired 12/19) from ASIS International. As a vetted member of and speaker at InfraGard events, Joseph contributed to and developed a partnership between the FBI and the private sector by providing industry specific insights. Joseph’s training in physical security, force protection, and Intelligence began when he as a Naval Reserve Intelligence Officer supported th...

Elizabeth J Dumbaugh, CPP

THG Consultants

Texas
Security, Premises Liability - Apartment Security, Parking Lots, Parking Garages, Terrorism, Bars/Lounges/Nightclubs, Security Guards, Transportation Security, Hotel Security, Security Management, Violent Crimes, Inadequate/Negligent Security, Special Event Security, Workplace Violence
Elizabeth Dumbaugh, CPP, is a premises liability and security consultant and testifying expert for THG Consultants, a firm whose consultants have conducted more than 1400 forensic evaluations of premises located in 46 states as well as in Puerto Rico, the Virgin Islands, Columbia, South America and Istanbul, Turkey. Elizabeth consults regarding security and safety aspects of commercial property management and conducts security audits for various types of commercial premises, including but not limited to: multi-family housing, resorts, hotels, retail and office space, nightclubs, and convenience stores. She is board-certified in security management, having earned the prestigious designation of Certified Protection Professional (CPP) from ASIS International, where she serves on the ASIS Leadership and Management Practices Council providing global security best practices to ASIS members. She is a Crime Prevention Practitioner, a designation awarded by the Florida Attorney General’s ...

Anne Speckhard, Ph.D.

PTSD Trauma, Loss & Dissociation Expert

International Center for the Study of Violent Extremism

McLean, Virginia
Psychology, Forensic Psychology - Trauma, injury, sexual abuse, violent extremism, PTSD, terrorism, informed consent, abortion, pregnancy loss, family, child development, post traumatic stress, white supremacism, violence, work place violence, sexual harassment, dissociative disorder, loss, wrongful death, grief
Anne Speckhard, Ph.D., is Director of the International Center for the Study of Violent Extremism (ICSVE) and serves as an Adjunct Associate Professor of Psychiatry at Georgetown University School of Medicine. She is a seasoned expert witness and has testified internationally and nationally in Congress, federal courts, immigration and civil courts. As a researcher she has interviewed over 700 terrorists, violent extremists, their family members and supporters in various parts of the world including in Western Europe, the Balkans, Central Asia, the Former Soviet Union and the Middle East. In the past five years, she has in-depth psychologically interviewed over 270 ISIS defectors, returnees and prisoners as well as 16 al Shabaab cadres (and also interviewed their family members as well as ideologues) studying their trajectories into and out of terrorism, their experiences inside ISIS (and al Shabaab). She, with ICSVE, has also developed the Breaking the ISIS Brand Counter Narrative ...