Chapter 20 Scientific Evidence

Index

Section 20.1 Overview
Section 20.2 Criminal Cases
Section 20.3 Polygraphs
Section 20.4 Truth Serum
Section 20.5 Hypnosis
Section 20.6 Alcohol Blackout
Section 20.7 Positron Emission Tomography
Section 20.8 Civil Cases
Section 20.9 General Rule
Section 20.10 Admission of Identification Tests
Section 20.11 Chain of Custody
Section 20.12 Chain of Custody Sufficient—Evidence of Drug Testing Admissible
Section 20.13 Chain of Custody Insufficient—Evidence of Drug Testing Not Admissible
Section 20.14 Functioning of Testing Equipment and Proper Procedures Followed
Section 20.15 General Rule
Section 20.16 Overview
Section 20.17 DNA Testing Should Remain Admissible Under Section 490.065
Section 20.18 Hair Source Testing
Section 20.19 General Rule
Section 20.20 Secretor or Non-Secretor
Section 20.21 Identification Through DNA Testing of Semen
Section 20.22 Paternity Testing
Section 20.23 General Rule
Section 20.24 Overview
Section 20.25 Breathalyzer Tests
Section 20.26 15-Minute Observation Period
Section 20.27 35-Day Maintenance Check
Section 20.28 Rebuttal of Breathalyzer Evidence
Section 20.29 Blood Sample Tests
Section 20.30 Licensed Physician, Registered Nurse, Phlebotomist, or Trained Medical Technician Must Render Blood Test
Section 20.31 Sterile Needle and Sterile Vessel Must Be Used
Section 20.32 Collection of Blood Samples
Section 20.33 Sufficient Volume for Duplicate Testing
Section 20.34 Chain of Custody
Section 20.35 Urine Tests
Section 20.36 Field Sobriety Tests—Horizontal Gaze Nystagmus
Section 20.37 General Rule
Section 20.38 Generally Inadmissible
Section 20.39 Permissible Use of Polygraphs
Section 20.40 Speed Testing
Section 20.41 Firearm Residue Testing
Section 20.42 Blood Spatter Testing
Section 20.43 Battered Spouse Syndrome
Section 20.44 Sexually Violent Predator
Section 20.45 Rape Trauma Syndrome
Section 20.46 Psychological Profile Evidence of Child Behavior
Section 20.47 Accident Reconstruction
Section 20.48 Economic Damages
Section 20.49 Computer Software Charts
Section 20.50 Fingerprints
Section 20.51 Soil Samples
Section 20.52 Glass Fragments
Section 20.53 Handwriting
Section 20.54 Signs of Strangulation
Section 20.55 Shoe Prints
Section 20.56 Ballistics
Section 20.57 Bite Marks