DUI / DWI Related Expert Witnesses

Dr. Adhia is triple-Board-Certified in Psychiatry, Brain Injury Medicine and Forensic Psychiatry. In addition to forensic/expert witness practice, Dr. Adhia has provided patient care in the Houston area. Currently, he treats patients at TIRR Memorial Hermann. His forensic practice focuses on the psychiatric impact of personal injury, medical malpractice, drug and alcohol abuse, sexual abuse, competency, violence, and complicating mental illness, as well as psychiatric disability. Dr. Adhia is among one of the few Forensic Psychiatrists who is also Board-Certified in Brain Injury Medicine. Often, Traumatic Brain Injury (TBI) can be a major factor in litigation as it can result in psychiatric or neurocognitive impairments. He has expertise in psychopharmacology, the medicine of medication. In addition, Dr. Adhia works with Physicians for Human Rights to assess victims of kidnapping and false imprisonment, human trafficking, undue influence, physical and sexual abuse, rape, and fear of imminent death. In all populations, he assesses PTSD, Anxiety, Depressive Disorders, risk of suicide, and malingering. He is experienced in the treatment and impact of drug and alcohol abuse on decision-making. Dr. Adhia has also treated severe psychosis (Schizophrenia, hallucinations) and psychopathology. Dr. Adhia was formerly treating patients at a Maximum Security Prison and prison psychiatric hospital. He has treated Opioid Use Disorders. 

Dr. Adhia’s findings consider complicating factors, such as emotional distress worsened by other active physical and mental conditions. Other factors are pre-existing mental and physical illness, competency and capacity (e.g. dementia, Intellectual Disability.) As a physician, Dr. Adhia is uniquely qualified to review medical records and doctor reports. Institutional medicine, medical malpractice, and standard of care apply to both public and private facilities, including government, regulated correctional institutions, and psychiatric hospitals. Dr. Adhia is skilled in these med-legal issues. Dr. Adhia conducts Independent Medical Examinations, review of records, and reports his med-legal findings and opinions. He is available to testify in civil, criminal, probate, Federal, Immigration, military, and administrative jurisdictions.

Violence Sexual abuse Malpractice and Standard of Care Alcohol and Drug Abuse Anxiety and Depression Psychopharmacology Competency

PTSD Suicide Psychiatric Injury Wrongful Death Correctional Fitness for Duty Brain Injury

Richard Stripp, PhD, is a nationally recognized expert in Toxicology providing services in all aspects of a Clinical and Forensic Toxicology. He has served as an expert consultant in 100’s of cases in the field of toxicology and pharmacology for attorneys, investigators, and physicians involved in forensic and clinical toxicological evaluations associated with ethanol, drugs of abuse, prescription medications and chemical exposure. Dr. Stripp provides unbiased expert case reviews involving drug effect on human performance, toxicity of iatrogenic/ therapeutic agents, lead and other toxic metals, carbon monoxide and environmental/occupational hazards. These services include, impartial evaluations involving drug impairment, overdose, toxic chemical exposure, medical issues associated with drug therapy, poisoning, and the role of drugs, alcohol, or chemical exposure in civil and criminal litigation. This covers a full breath of forensic medical-legal cases including:

• Analytical Toxicology and Laboratory Operations
• Review and Interpretation of Toxicology Reports
• Assessment of Impairment and the Role of Drugs/Alcohol in fatalities, accidental injury, overdose, MVA / DWI / DUI, criminal and civil litigation
• Insurance Claims
• To Serve as an Expert Witness: Experienced in Depositions and Court testimony
  • Forensic Toxicology Case Reviews
  • Litigation Support
  • Workers' Compensation
  • DUI/DWI
  • Drug and Alcohol Effects
  • Pharmacology Evaluations
  • Environmental/Occupational Chemicals & Toxic Chemical Exposure
  • Interpretation of Analytical Results and Drug Testing Cases
  • Continuing Education and Lectures
  • Chemical and Product Safety

Dr. William R. Sawyer  is a Professional Toxicologist with a doctorate in toxicology from Indiana University School of Medicine. He is a diplomate of the American Board of Forensic Medicine and has over 30 years of extensive experience in Public Health and Forensic Toxicology with specialized expertise in causation analyses (plaintiff and defendant) including Alcohol toxicology, Drugs-of-Abuse, Pharmaceuticals, Herbal Products, Dioxins, Solvents, Heavy Metals, Crude Oil and other Chemicals. Dr. Sawyer has testified in trial or deposition in over 30 states including NY, MA, CT, PA, RI, NH, DE, NJ, WV, VA, NC, SC, GA, FL, AL, MS, LA, AR, MO, KY, IN, IL, WI, MI, OH, MN, MT, WA, CA, TX, OK. As a skilled scientist and communicator in the area of toxic tort, Dr. Sawyer provides services to governmental agencies, corporations, select plaintiffs or defendants. Dr. Sawyer currently serves as Chief Toxicologist for TCAS, LLC, and served for 23 years as an Assistant Professor (adjunct) with the Department of Medicine, Upstate Medical University, Syracuse, New York. Dr. Sawyer also has approximately 14 years experience as a licensed clinical and environmental laboratory director in several states. Lisa Myers interviews Dr. Sawyer on NBC Nightly NewsTCAS Services and Expertise:

Alcohol Toxicology Analytical Testing Asbestos Toxicology Birth Defects Carcinogenesis Causation Assessments Chemical Toxicology Carbon Monoxide

Dioxin Toxicology Forensic Chemistry Forensic Toxicology Laboratory Services Mass Toxic Tort Medical Malpractice - Pharmaceuticals Petroleum Toxicology Forensic Source ID

Qualifications & Experience

• Diplomate of the American Board of Forensic Medicine (D-ABFM) 
• Academic Affiliations- Medical School Faculty (adjunct)
• Government Experience - Public Health Toxicologist
• Toxic Tort Causation / Determination - Defense, Plaintiff
• Experienced Clinical and Environmental Laboratory Director
• Considerable Experience with Mass Toxic Torts

View Dr. William Sawyer's Consulting Profile.

Dr. Daniel W. Vomhof, PhD is a Accident Reconstruction Specialist with specialized knowledge in Human Factors and BioMechanics. He provides Scientific Evidence Evaluation and Event Reconstruction in matters involving personal injury, property damage, or product failure or malfunction.

Dr. Vomhof has been a full time forensic reconstruction consultant since 1973. He has a PhD in Biochemistry / Physiology and MS in Analytical Chemistry and Occupational Safety & Health.

Areas of Specialization:

• Event Reconstruction
• Vehicle Accident Reconstruction
• Biomechanics and Biodynamics
• Human Factors
• Questioned Documents

Litigation Support - Dr. Vomhof has reconstructed over 3,000 accidents and appeared in over 500 trials as a testifying expert witness. Dr. Vomhof is available to attorneys representing both Plaintiff and Defense.

Services Include:

• Evaluation of traffic signal timing related to vehicle, pedestrian, and motorcycle accidents
• Reconstruction of vehicle, pedestrian, and motorcycle accidents
• Evaluation of Pedestrian, Facility, Walking Surface interactions
• Measurement and evaluation of lighting as it affects perception of hazards
• Measurement and evaluation of sound levels
• Documentation of vehicle evidence and scene conditions through photography and measurements

Jeffrey C. Fox, PhD, MBA, MS, BLS, AAS, CHPA IV, CHS IV, served for 32 years in the field of Public Safety, 21 of which were with the VA State Police. He has over 20 years of personnel, administrative, and program management experience. Dr. Fox was a member of the American College of Forensic Examiners Institute where he holds a Level 4 Homeland Security Certification. He has completed the Federal Emergency Management Agency Professional Development Courses and was certified through the Virginia Department of Emergency Management as a trainer for incident command system training courses. As a practitioner, he was involved in the response and management of all types of events such as major disasters including floods, hurricanes, snow/ice storms, and the largest traffic crash in Virginia history. He has also managed and responded to civil unrests, protests, a sniper attack, dignitary protection, special event planning, and many major crimes.

Background - Dr. Fox began his law enforcement career as a military policeman in the U.S. Army and served as a town police officer, trooper, sergeant, first sergeant, and lieutenant. He served as a field lieutenant with the VSP and served as the assistant training officer where he managed the daily operations of the training academy. He also served as the statewide incident management program manager for the VA Department of Transportation in the operations and security division. 

Teaching / Speaking Experience - Dr. Fox retired from state service as the Program Coordinator and Assistant Professor for the Homeland Security & Emergency Preparedness and Criminal Justice Cohort Programs for VA Commonwealth University. He served as an Assistant Professor and Chair of the Public Safety Adult Degree Completion Programs (Bachelors) [Criminal Justice and Homeland Security & Emergency Management] for Bluefield College. While the assistant training officer for the VSP, Dr. Fox collaborated with the University of Virginia and together they created the National Criminal Justice Command College. Having spent 20 years instructing at various criminal justice academies in a plethora of criminal justice, instructor development, and leadership courses, Dr. Fox has taught over 560 criminal justice and homeland security / emergency preparedness courses, and management / leadership courses which include over 18,000 classroom hours. He has taught over 85 criminal justice topics in police academies, which include over 4,000 hours of classroom instruction. Dr. Fox has served on over 35 boards or committees relating to criminal justice, homeland security, or training issues. He was tasked with overseeing the implementation of NIMS compliance issues for two large state agencies totaling approximately 6,000 employees. He has also overseen the development of several large distance-learning programs. Dr. Fox served as chairperson and committee member for many doctoral students in the public service leadership discipline. During his public service career, he earned over 167 commendations, awards, and honors for enforcement and service work, public speaking and instructing, and his academic achievements. 

Litigation Support - Dr. Fox serves as an expert witness for attorneys representing Plaintiff and Defendant. His services include case review, thorough reporting, depositions, and trial testimony as needed. 

Areas of Public Safety Expertise:

Leadership and Management Ethics Instructor Development / Training Basic Police Training In-service Training Field Training Officer Training / Development National Incident Management Incident Command Training Emergency Management Training Emergency Preparedness / Response Crisis Management Traffic Safety Traffic Incident Management Training

General Criminal Justice Procedure and Policies Patrol Criminal Interdiction Search and Seizure Use of Force DUI / DWI and Drug Enforcement Drug User Recognition Investigations Criminal Behavior Homeland Security / Terrorism Risk Assessments NIMS Compliance / Implementation Agency Policy Development or Review

Charles J. "Rocky" Hill, MA, CADC-II, NCAC-II has over 30 years of experience in the field of Alcohol Addiction and Treatment. He has owned and directed a full service adult and adolescent outpatient treatment program since 1987 and, previously, directed residential and hospital based inpatient programs in New Mexico and Colorado.

Mr. Hill has particular interest and 10 years of experience in addiction counseling for law enforcement. He and his team have become experts, sought after by insurers like United Healthcare to assist them in the development of their ambulatory detoxification protocol. His treatment program is the lone recipient of the United States Behavioral Health's OPTUM AWARD for excellence. Mr. Hill is also a member of the American Society of Addiction Medicine.

Litigation Support - Mr. Hill has developed a reputation for being able to clarify for juries the complicated realities of substance use, abuse, and dependence. He specializes in medication assisted treatment, opiate addiction and standards of care in the use of buprenorphine and other medications to treat opiate dependence. Also, standards of care in treatment facilities. As a former juvenile parole officer who has also been in recovery from substance abuse since 1980, he brings a level of credibility and street knowledge to the court that clarifies the nature of substance addiction treatment. With a Master’s degree in Psychology and decades of experience, his unbiased testimony can be counted on for accuracy and consistency.

Mr. Hill has provided consultation and expert witness testimony in criminal (capital murder, possession with intent) and civil (wrongful death, standards of care, labor) cases. One of his main focuses has been on Family Court Assessment. He has provided family court evaluations to the Riverside and Hemet court system for over 20 years. Reports include whether an individual meets the diagnostic criteria for a substance abuse disorder and, if so, what recommendations are appropriate for treatment and accountability.

Areas of Expertise:

Wrongful Death Medication Mismanagement and Detox Addiction Treatment Standards of Care Possession with Intent to Sell

Breach of Contract DUI Cases Labor Relations Issues Capital Murder

View Hill Alcohol & Drug Treatment's Consulting Profile.

Dr. Steve C. Imber is a Psychoeducational Consultant who serves as an evaluator and expert witness to attorneys in the areas of child custody, DUI, lead poisoning, educational competence, Miranda warning issues and special education.

Dr. Imber also addresses the needs of Children, Adolescents and Adults concerning Attention Deficit Disorder, Learning and Behavioral Disabilities for Children and Adolescents, Learning Disabilities for Adults and Forensic Evaluation.

A noted author and speaker, Dr. Imber has been a Presenter and/or Session Leader at several National Council for Exceptional Children's Conferences as well as several State and Regional Conferences, LRP Annual National Conference on Legal Issues of Educating Individuals with Disabilities.

New York location:
Ph.#: 516-273-1961
61-43 186th Street
Fresh Meadows, NY 11365

Harry C. McCann, MPA, is recognized as an expert in Policy, Procedure, and Training by the Federal Courts in the Eastern District of Pennsylvania, the Northern District of Georgia, the Court of Common Pleas in Pennsylvania and has provided consultation, expert testimony or reports to law firms, police departments, correctional institutions, and municipalities throughout Pennsylvania, New Jersey, Maine, Maryland, Georgia, Indiana, Kentucky, Arizona,New Mexico and Delaware in the areas of the use of force, in custody death claims, special response teams, arrest procedures, Tasers, training, PREA, classification and legal issues. Background Experience - Throughout his law enforcement career, Mr. McCann has been responsible for the writing and implementation of policy and procedure relating to the Use of Force, Emergency Procedures, Prison Rape Elimination Act, Special Response Team protocols, Staff Training, Patrol Procedures, and Legal Issues. As the prior Director of Law Enforcement / Police Training in Bucks County (PA), the fourth largest county in Pennsylvania, he has been responsible for developing, coordinating, and implementation training programs to approximately 800 police officers representing 42 police departments.

Litigation Support - With 37 years of law enforcement expertise in the federal, state and county level, Harry McCann offers a unique perspective of knowledge and expertise in all facets of training, policy, procedure, and case review. Mr. McCann has continually demonstrated his ability to evaluate the issues and present himself in a clear, concise, thorough, and professional manner. His preparation has been acknowledged among his peers and has been honed by 35 years of college teaching and staff development instruction. He offers guidance and expert reports in matters dealing with:

• Correctional / Police Practices and Procedures
• Police, Correctional, Court Document Interpretation
• Use of Force
• Training Issues and Standards
• DUI Checkpoint Operations
• Wrongful Imprisonment and False Arrest
• Emergency Procedures
• PREA
• Correctional classification
• Police/Correctional Standards

Ted W. Simon, PhD, DABT, is an award winning Environmental Toxicologist and Scientist. His expertise is in toxicology, risk assessment, mathematical modeling, statistics, neuroscience, and environmental / ecological health issues.

Dr. Simon has over 10 years of experience as a toxicologist employed by the Environmental Protection Agency (EPA). He served as EPA’s senior toxicologist in the waste management division working on risk and soil cleanup.

Teaching Experience - Since 2001, Dr. Simon has served as an Instructor / Adjunct Professor in the Department of Environmental Health Science, College of Public Health, at the University of Georgia.

Public Speaker - Well published, including the author of a textbook on toxicology and environmental risk assessment, Dr. Simon has extensive national and international public speaking experience. Since 1996, he has been delivering seminars and lectures to universities and national institutes on many subjects within his area of expertise. In 2016, he delivered a lectures on “Bayesian Methods for Application of Uncertainty Factors,” to the Society of Toxicology Annual Meeting, New Orleans, LA, and “Quantitative Prediction of Phenotypic Change from High Throughput Assay Results,” to the EPA's Workshop on In Vitro to In Vivo Extrapolation, Research Triangle Park, NC.

Litigation Support - Dr. Simon has over 15 years of experience offering expert witness services to counsel representing both plaintiff and defendant. He has been retained over 20 times since 2000 for cases involving environmental risk, drug and alcohol cases, DUI, accidental poisoning, and intellectual property. Dr. Simon has particular expertise in dioxin-like chemicals and polychlorinated biphenyls (PCBs). His services include consulting, reports, deposition, and trial testimony when necessary.

Areas of Expertise:

Dioxins PCBs Drugs Alcohol Poisoning DUI / DWI Water Contamination Soil Contamination Environmental Risk Assessment

Environmental Toxicology Carcinogenicity Food Contamination Pesticides Fracking Lead Marijuana Polychlorinated Biphenyls Intellectual Property