Oklahoma State University Center for Health Sciences
Oklahoma State University Center for Health Sciences

IMPEX Personnel

FrucciJohn J. Frucci III, Ed.S.

IMPEX Director
Associate Adjunct Professor of Forensic Sciences

A former bomb squad commander from Newark, New Jersey, Frucci has 20 years of experience in law enforcement. He began his career in 1993 as a sheriff's officer in the Essex County Sheriff's Office in Newark. Frucci has also worked as a detective in the fugitive squad and as a fire explosion investigator for the Essex County Prosecutor's Office Arson Task Force.  He was lead investigator for a seven-year investigation of the Seton Hall fire in 2000 that killed three and injured 58. Two suspects pleaded guilty and the investigation resulted in a book, documentary and an International Investigator of the Year Award for Frucci.

Frucci earned his bachelor's degree in political science from Rutgers University in 1997. He earned his master's degree in education administration in 2000 and his education specialist degree in education administration and supervision in 2006, both from Seton Hall University.

WagnerJarrad R. Wagner, Ph.D.

IMPEX Senior Explosives Scientist
Director, Forensic Toxicology and Trace Laboratory
Associate Professor of Forensic Sciences

A former chemist for the FBI Laboratory, Wagner worked on crime scene investigations involving hazardous materials. He teaches in the areas of forensic toxicology, trace evidence and clandestine laboratories (drug and WMD). He previously taught general, analytical and biochemistry and was the Director of the Forensic Sciences program at California State University, Fresno.  Dr. Wagner's prior law enforcement experience also includes his time as a Forensic Scientist in the Toxicology section of the Orange County (CA) Sheriff-Coroner's office and his service as a Reserve Police Officer in the City of Irvine, CA.  Dr. Wagner holds a Ph.D. in Environmental Toxicology from the University of California at Irvine, as well as Bachelor's degrees in Chemistry and Biology.  He has published several articles in scientific journals and has made presentations related to forensic science for professional institutes and trainings throughout the world.

GersbeckTom Gersbeck, M.F.S.

IMPEX Military Liaison
Associate Adjunct Professor of Forensic Sciences
USMC, CWO-2 (Ret.)

After retiring from the Marine Corps as an Explosive Ordnance Disposal (EOD) Officer in 2001, Gersbeck joined the Federal Air Marshal Service and served as explosives branch chief of the National Explosives Detection Canine Team Program, technology officer with the Explosives Operations Division and as the Philadelphia Field Office explosives security specialist. Gersbeck served multiple tours in Afghanistan as the program manager of the Joint Asymmetric Threat Awareness and Counter-Improvised Explosive Device Mobile Training Teams and the triage laboratory lead in the RC-North and RC-East Combined Explosives Exploitation Cell, also working in the biometrics laboratory. Tom’s book, Practical Military Ordnance Identification, which is part of the “Practical Aspects of Criminal and Forensic Investigation” series created by Vernon Geberth, was published in 2014. Gersbeck earned his Bachelor of Science degree from Park University in 1998 and a Master of Forensic Sciences degree in 2000 from National University. In 2015, Gersbeck was promoted to Fellow in the American Academy of Forensic Sciences.  

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