Evidence Expert Witnesses

Evidence 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 evidence. The evidence expert witness listings on this page are typically from fields/areas of expertise such as: Law Enf & Criminal Justice, Pharmacology- Clinical, Police Practices & Procedures, and Toxicology.

Daniel E Buffington, PharmD, MBA, FAPhA

Clinical Pharmacology Services, Inc.

Tampa, Florida
Pharmacology- Clinical, Toxicology - Autopsy, Capital Crimes, Controlled Substance, Dispensing, DUI, Dramshop, Drug Screen, Evidence, Medication Therapy Management, Pain Management, Pharmacology, Postmortem, Toxicology, Trafficking, Prescribing, Side Effects, Substance Use Disorders, Therapeutic Drug Monitoring
Dr. Buffington is the President and Practice Director at Clinical Pharmacology Services, located in Tampa, FL. He is a Clinical Pharmacology & Toxicology specialist and provides medication therapy management consulting, serves as a principal investigator for Phase II and III clinical trials, and manages a national drug information service that provides clinical consulting support for medical practices, health systems, health plans, laboratories, and government agencies. Throughout his career, he has been an active member in numerous professional associations including elected leadership (American Medical Association, American Pharmacists Association, American Society of Health-System Pharmacists, American College of Clinical Pharmacology, American College of Clinical Pharmacy, American Society of Consultant Pharmacists, and numerous others). He is also a certified Drug Diversion Investigator (NADDI). Dr. Buffington’s practice also includes a forensic pharmacology division that supp...

Harold C Heitman

Expert Law Enforcement Witness with Experience

Heitman Justice Services LLC

Jefferson City , Missouri
Law Enf & Criminal Justice, Police Practices & Procedures - Use of Force, Scuba, Firearms, Evidence, Less Lethal, Underwater Recovery, Interview, PADI, Interrogation, Investigations, Jail, Dive Team, Prisoners, Drug Investigations, Pepper Spray, Narcotics, Taser, K-9, Bean Bag, Canine
With over 26 years of extensive experience in law enforcement, Harold C. Heitman brings unparalleled expertise to the courtroom. Having served as an elected sheriff for 16 years and held various roles including park ranger, jailer, corporal, sergeant, detective, and police chief, he currently provides contract services for the United States Marshal's Office. As a Senior Board Member for the Lake Area Narcotics Enforcement Group for nearly two decades, Harold is a trained Major Case Squad Investigator with specialized training from the FBI and other prestigious organizations. His diverse experience spans a wide range of cases, including financial crimes, domestic violence, and homicide. Additionally, he is a former police K-9 handler. Harold holds a degree in criminal justice and is a licensed generalist and specialty instructor for the Missouri Department of Public Safety. He shares his knowledge as a lead instructor at the police academy in Jefferson City, specializing in firearm...