Marijuana duis: attacking the prosecution's case

• Author: Don Bartell/Mary Catherine McMurray/Anne ImObersteg
• Pages: 613-646

21-1

CHAPTER 21

MARIJUANA DUIS:

ATTACKING THE

PROSECUTION’S CASE

I. OVERVIEW

II. BLOOD LEVELS DO NOT PREDICT IMPAIRMENT

§21:01 A Fundamental Principle of Pharmacology

§21:02 NHTSA Reports on Marijuana

III. THE PHARMACOKINETICS OF MARIJUANA

§21:10 Pharmacokinetics vs. Pharmacodynamics

§21:11 Marijuana Pharmacokinetics

§21:12 Counterclockwise Hysteresis

§21:13 Do THC and Hydroxy THC Levels Indicate Recent Use?

IV. THE PHARMACODYNAMICS OF MARIJUANA

§21:20 Studies Showing Marijuana Impairs Driving Performance

§21:21 Studies Showing Marijuana Does Not Impair Driving Performance

§21:22 Marijuana Does Not Increase Crash Risk

V. THE NEUTRALIZING EFFECTS OF CBD ON THC

§21:30 There Are Numerous Cannabinoids in Marijuana

§21:31 THC and CBD

§21:32 CBD Diminishes the Effects of THC

§21:33 Crime Laboratories Do Not Test for CBD

VI. THC ANALYSIS BY LIQUID CHROMATOGRAPHY/MS/MS

§21:40 Sample Preparation

§21:41 Injecting the Sample into the LC Column

§21:42 The Source

§21:43 The Mass Spectrometer

MARIJUANA DUIS:

ATTACKING THE

PROSECUTION’S CASE

Attacking and Defending Drunk Driving Tests 21-2

MARIJUANA DUIS:

ATTACKING THE

PROSECUTION’S CASE

§21:44 The Major Flaw in LC/MS/MS

VII. MARIJUANA - DRUG RECOGNITION EXAMINATION EVALUATIONS

§21:50 The 12 Steps of the Drug Recognition Evaluation, Purpose, and Standardization

§21:51 Observations During Drug Recognition Evaluation of Marijuana DUI Suspects

§21:52 Drug Recognition Examination “Validation” Studies

§21:53 Conclusion from Validation Studies

§21:54 Other Drug Recognition Examination Studies

§21:55 Admissibility of Drug Recognition Examination Evaluations and Opinions in Court

VIII. SAMPLE CROSS-EXAMINATION OF PROSECUTION EXPERT

§21:60 Introduction to the Sample Cross-Examination

§21:61 The Cross-Examination

IX. CONCLUSION – HOW TO CHALLENGE ANY BLOOD DRUG RESULT

§21:70 Slide: How to Challenge Blood Drug Results

21-3 Marijuana DUIs: Attacking The Prosecution’s Case §21:02

MARIJUANA DUIS:

ATTACKING THE

PROSECUTION’S CASE

I. OVERVIEW

This chapter discusses the defense of driving under

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 -















  





-





 

 

 



II. BLOOD LEVELS DO NOT PREDICT

IMPAIRMENT

§21:01 A Fundamental Principle of

Pharmacology

 

  

 



   

  



 



§21:02 NHTSA Reports on Marijuana

 -



 

  





 





  

 

 

 

 

 

  

  

 

  



     



