Retrograde Extrapolation

• Author: Deandra M. Grant/Kimberly Griffin Tucker
• Pages: 519-536

RETROGRADE

EXTRAPOLATION

8-1

CHAPTER 8

RETROGRADE EXTRAPOLATION

I. INTRODUCTION

§8:01 What Is Retrograde Extrapolation?

§8:02 The Typical Scenario

II. ABSORPTION AND ELIMINATION

§8:10 Alcohol Curve

§8:11 Factors Affecting Absorption

§8:12 Rebutting Testimony That Rate of Absorption Is Fixed

§8:13 Elimination Rates

§8:14 Auto-Brewery Syndrome

III. THE RETROGRADE EXTRAPOLATION CALCULATION

§8:20 Widmark Equation

§8:21 Minimum Data Needed for Retrograde Extrapolation

§8:22 Using Widmark in Your Own Cases

IV. EMBRACING RETROGRADE EVIDENCE

§8:30 Admissibility

§8:31 Each Case Requires Separate Analysis

V. EXCLUDING AND ATTACKING RETROGRADE EVIDENCE

§8:40 Request a 705 Hearing to Exclude Retrograde Extrapolation

§8:41 Applicable Evidence Rules

§8:42 Cross-Examination Attacking Validity of Retrograde Extrapolation Evidence

RETROGRADE

EXTRAPOLATION

(Τηισ παγε ιντεντιοναλλψ λεφτ βλανκ.)