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Center for Health Sciences
Adjunct Instructors
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Kathy Bell, R.N., M.S.
Adjunct Instructor
of Forensic Sciences
Sexual Assault Nurse Examiner (SANE) Instructor
Ms. Bell has over 30 years of experience as a registered nurse, and provides day to day operations management of the forensic nurse examiner programs at the Tulsa Police Department.  She is a forensic nurse, performing examinations for sexual assault, drug endangered children, domestic violence, and CODIS.  She is certified as a SANE of Adults and Adolescents and Pediatrics by the International Association of Forensic Nurses, and is a member of Academy on Violence and Abuse and Association for Crime Scene Reconstruction.

Franklin R. Champlin, Ph.D.
Associate Professor of Microbiology

Dr. Champlin is a pathogenic bacteriologist with primary interest in the areas of antibiotic resistance, bioterrorism defense, and biological safety.  He serves as an  Associate Professor of Microbiology for the OSU Center for Health Sciences.  He is Professor Emeritus of Microbiology at Mississippi State University where he had also served as Adjunct Professor of Veterinary Medical Research and as the Biosafety Officer.  Dr. Champlin holds a both a Ph.D. and a B.S. in Microbiology from Oklahoma State University.  He completed postdoctoral research at the University of Maryland Health Sciences Center as well as at the Oklahoma Osteopathic Medicine and Surgery, which later became the OSU College of Osteopathic Medicine.

Charles Eggleston, M.F.S.
Adjunct Instructor of Forensic Document Examination
Mr. Eggleston is a forensic document examiner in private practice in Nebraska.  He previously served 23 years with the Internal Revenue Service and the United States Treasury Inspector General for Tax Administration, participating exclusively in the scientific aspects of criminal investigation with a specialty in forensic document examination.  He holds a Master of Forensic Sciences degree from Antioch University and a Bachelor of Police Science degree from New Mexico State University.  He is a Diplomate of the American Board of Forensic Document Examiners, and the American Board of Criminalistics.

Jan Emmons, M.S., R.N.
Adjunct Instructor of Forensic Management
Ms. Emmons has over 30 years of experience as a registered nurse, responsible for the administration of emergency service departments including trauma emergency center, observation unit trauma services, life flight helicopters, and mobile intensive care units.  She has overseen all aspects of the hospital emergency department and the observation unit for trauma, cardiac and pediatric patients, including department compliance, accreditation, billing, and budget.

Steve Emmons, M.P.A.
Adjunct Instructor of Forensic Management
Mr. Emmons is a Field Representative for the Council on Law Enforcement Education and Training, also known as CLEET.   He has served as Director for the Bogus Checks Division and as an Investigator for the District Attorney's Office in Tulsa County.  He served as the Criminal Justice Program Coordinator and as an Adjunct Professor at Rogers State University.  He has 20 years experience with the Tulsa Police Department, where he served as Detective Division Sergeant and as Field Training Supervisor.  He holds a Master of Public Administration degree from the University of Oklahoma and a B.S. in Criminal Justice Administration from Central Missouri State University. 

Kathryn A. LaFortune, J.D., Ph.D.
Adjunct Assistant Professor of Forensic Psychology
Dr. LaFortune, a licensed psychologist and attorney, serves as Chief of Forensic Psychological Services for the Oklahoma Indigent Defense System and also as an Adjunct Faculty Member in both the College of Law and the Department of Psychology at the University of Tulsa. She has been a forensic psychologist at Eastern State Hospital in Vinita, OK.  She received a B.S.M.E. from Duke University and holds both a J.D. and a Ph.D. from the University of Tulsa.  Dr. LaFortune has published articles on competency to stand trial and child custody evaluations. 


Greg Laskowski, M.P.A.
Adjunct Instructor of Criminalistics
Gregory E. Laskowski is the Supervising Criminalist for the Major Crimes Unit with the District Attorney's Forensic Science Division in Kern County, CA.  He also teaches as an Adjunct Professor of Forensic Science at California State University, Bakersfield, and also serves as a television network consultant on crime scene investigations and court cases.  He has lectured on forensic science techniques and case histories in the former Soviet Union; at the FBI Academy in Quantico, Virginia; and for various professional societies and associations.  He has published papers in various journals and is active in professional organizations.  Mr. Laskowski holds a B.S. in Biochemistry from the University of Southern California and an M.P.A. from California State University, Bakersfield.

Linton Mohammed, M.F.S.
Adjunct Instructor of Forensic Document Examination
Mr. Mohammed is a Senior Forensic Documents Examiner with the San Diego County Sheriff's Department, Regional Crime Laboratory.  He has served as an examiner for the Laboratory of the Government Chemist in Middlesex, England, as well as for the Caribbean Institute of Investigations, Ltd., and the Trinidad/Tobago Forensic Science Center, both in Trinidad, West Indies.  He holds an M.F.S. from National University in San Diego and a B.S. from the University of the West Indies.  Besides having articles published in the Journal of the American Society of Questioned Document Examiners (ASQDE), he has presented at national and international professional conferences.

Tamara Piety, J.D., LL.M.
Adjunct Assistant Professor of Law
Ms. Piety is an Associate Professor at the University of Tulsa (TU) College of Law and most recently was a Visiting Professor at the Florida State University College of Law.  Prior to joining the TU faculty, she was a Visiting Assistant Professor at the University of Missouri-Columbia, a Teaching Fellow at Stanford Law School, and an Instructor at the University of Miami School of Law.   She also served as a Judicial Clerk in the U.S. Court of Appeals for both the 5th and 11th Circuits and as an Associate in two Florida law firms.   Professor Piety received a J.D. from the University of Miami Law School, where she served as a Law Review editor, and an L.L.M. from Harvard Law School, where she was the Executive Editor of the Harvard Women’s Law Journal.  Her work has also appeared in other publications, including selected entries for the Oxford Companion to American Law.

Harry J. Potter, M.B.A.
Adjunct Instructor of Forensic Accounting
Mr. Potter is President of Financial Investigation and Analysis, a consulting firm in forensic accounting and financial fraud investigations. He is a Certified Public Accountant (CPA), a Certified Fraud Examiner (CFE), and a Certified Forensic Accountant (CrFA). He has conducted numerous forensic accounting and fraud auditing seminars for businesses as well as for professional accounting, auditing, and bar associations. He is Chairman Emeritus and past National Chairman of the American Board of Forensic Accountants. He also serves on the Professional Ethics, Litigation Support, and Banking committees of the Oklahoma Society of Certified Public Accountants. Mr. Potter has an M.B.A. from Edinburgh Business School, the Graduate School of Business at Heriot-Watt University, Scotland.

Gerald B. Richards, M.S.

Adjunct Instructor of Forensic Examination of Questioned Documents
Mr. Richards is a Forensic Examiner of Questioned Documents and Photographs, as well as a lecturer and consultant.  He is owner of Richards’ Forensic Services and a former Associate Professorial Lecturer at The George Washington University. His educational background includes a Bachelor of Science degree in Photography, an M.S. in Education degree from Southern Illinois University and completed additional studies at The George Washington University and the University of Virginia through the FBI Academy.

A. Jeanne Russell, Ed.D.
Adjunct Assistant Professor of Forensic Psychology
Dr. Russell is the former Director of Psychology, Social Work, and Training at the Oklahoma Forensic Center in Vinita, OK, where she was principle author of the state's forensic manual. Since retirement, she has maintained a private practice that includes forensic evaluations. She began her career as a probation and parole officer, remaining with the Oklahoma Department of Corrections in supervisory positions and later serving as a psychologist at a female prison. Prior to her retirement, she also served as the Chair of the Northeastern Oklahoma Psychology Internship, an accredited program for doctoral students in psychology. Dr. Russell has conducted workshops on Risk Assessments and Competence to Stand Trial.  She holds an Ed.D. in Counseling and Psychology and an M.A. in Guidance and Allied Services, both from the University of Tulsa.


David Wallace, Ph.D.
Adjunct Professor of Toxicology
Dr. Wallace serves as the Assistant Dean for Research, as Director of the Center for Integrative Neuroscience, and as Professor of Pharmacology.   He teaches courses in the Biomedical Sciences graduate program in the Center for Health Sciences in Tulsa, and in the Veterinary Biomedical Sciences program in Stillwater.  He earned his Bachelor of Science degree at Western Michigan University and his Ph.D. at the University of Florida.  Dr. Wallace joined the OSU faculty following postdoctoral fellowships at the University of Colorado Health Science Center, Denver, and the University of Kentucky, Lexington.  Research interests center on the neurotoxicology, substance abuse and the dopaminergic system using molecular, biochemical and behavioral pharmacology techniques.