Table of Contents

Acknowledgments

Introduction and Overview

Understanding Criminal Cases

• The Role of Law Enforcement Officers and Expert Witnesses in Impaired-Driving Cases
• Constitutional Principles
• Stages of a Criminal Case

Law Enforcement Testimony

• Standardized Field Sobriety Test Officers
  • Pre-trial Preparation
  • Guidelines for Testimony -- What You Say and How You Say It
  • PRACTICE POINT -- QUESTIONS TO ANSWER
  • Law Enforcement Officer Responsibility
  • PRACTICE POINT -- USE CLEAR AND CONVINCING LANGUAGE
  • DWI INVESTIGATION FIELD NOTES
  • NOTE-TAKING GUIDE
  • TRIAL TIPS
  • Specific DWI Trial Recommendations
  • Potential Pitfalls for Police Witnesses
• Drug Evaluation and Classification Testimony

The Scientific Experts: Toxicologists, Crash Reconstructionists, Optometrists and
Other Medical Personnel

• Toxicologists
• Crash Reconstructionists
• Optometrists
• Medical Personnel
• Medical Examiner/Forensic Pathologist

Cross-Examination

Conclusion

Glossary of Terms