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Shooting Incident Reconstruction

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ISBN-10: 0120884739

ISBN-13: 9780120884735

Edition: 2006

Authors: Lucien C. Haag

List price: $109.00
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Description:

This text seeks to address matters from simple to complex in providing the reader with an explanation of the factors surrounding ballistics, trajectory, and shooting scenes.
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Book details

List price: $109.00
Copyright year: 2006
Publisher: Elsevier Science & Technology Books
Publication date: 1/6/2006
Binding: Hardcover
Pages: 368
Size: 7.50" wide x 10.00" long x 1.00" tall
Weight: 2.332
Language: English

List of Color Plates
Introduction
Case Approach, Philosophy, and Objectives
Why This Book?
Reconstruction-The Ultimate Goal of Criminalistics
Basic Skills and Approach to Casework
Qualifications
General Philosophy
The Scientific Method
Specific Considerations
Concluding Comments
Case Decisions Related to the Admissibility of Scientific Evidence
References and Further Reading
The Reconstructive Aspects of Class Characteristics and a Limited Universe
Bullet Design and Construction
Hypothetical Case Examples
Propellant Morphology
Analytical Approach
The Worth of Weight
Derivation of Sphere Diameter from Weight
Summary
References and Further Reading
Is it a Bullet Hole?
The Question of Bullet Holes in Common Materials
Empirical Testing
An Example of a Bullet Hole Issue-Bullet Holes in Wood
Considerations and Solution
Bullet Holes in Some Typical Materials
Bullet Holes in Fabrics and Garments Made of Nylon and Polyester
Summary
References and Further Reading
Some Useful Reagents and Their Application
Dithiooxamide (DTO) Test for Copper Residues
Dithiooxamide Procedure for Copper Residues
2-NN Procedure for Copper Residues
Sodium Rhodizonate Test for Lead Residues
Theory
Sodium Rhodizonate Test Procedure for Lead Residues
Direct Application Methods
"Lifting" or Transfer Method
Dimethylglyoxime (DMG) Test for Nickel Residues
Chemistry of the Nickel-DMG Reaction
DMG Test Procedure
Barrel Residues
Summary and Concluding Comments
References and Further Reading
Distance and Orientation Derived from Gunshot Residue Patterns
The Production of Gunshot Residues
Target Materials
Interpretation and Reporting of Results
Revolvers
The Modified Griess Test for Nitrite Residues
The Preparation of Reagents and Materials
Gunshot and Primer Residues on the Hands
Summary
References and Further Reading
Projectile Penetration and Perforation
Overview
Sheetrock/Wallboard
Wood
Sheet Metal
Glass
Rubber
Plastics
Summary
References and Further Reading
Projectile Ricochet and Deflection
Introduction
Definitions
Some General Principles, Observations, and Comments
Factors Controlling or Affecting Projectile Ricochet
Factors Controlling or Affecting Lateral Projectile Deflection during Ricochet
Projectile Impacts to Hard, Unyielding Surfaces
Projectile Impacts to Frangible Materials
Projectile Impacts to Semi-Hard or Semi-Yielding Materials
Projectile Impacts to Yielding Surfaces
The Post-Impact Flight of Ricocheted and Deflected Bullets
Gunshot Wounds from Ricocheted and Deflected Bullets
Shotgun Discharges and Pellet Ricochet
Approach to Casework Involving the Issue of Ricochet
Summary and Concluding Remarks Regarding Ricochet
Perforating Projectiles and Perforated Objects
Concluding Comments
References
The Principles of "Trajectory" Reconstruction
Bullet Paths in Fixed Objects
The Location of the Bullet Hole and Angular Components of the Projectile's Path
The Use of String Lines
The Use of Probes and "Trajectory" Rods
Procedures-Vertical Angle Determination
Procedures-Azimuth Angle Determination
Non-Perforating Bullet Paths
The Use, Advantages, and Limitations of Lasers
Some Thoughts on the Reconstructed Angles
Techniques, Tools, and Supplies used in Trajectory Reconstruction
Summary and Concluding Comments
References and Further Reading
The Shooting of Motor Vehicles
Vehicles at a Scene
Frames of Reference and "Squaring the Vehicle"
Perforating Projectile Strikes to Vehicles
Penetrating Projectile Strikes to Vehicles
Ricochet Marks, Graze Marks, and Non-Penetrating Strikes
Summary
References and Further Reading
Bullet Track ("Trajectory") Determinations in Gunshot Victims
Introductory Comments
Entry and Re-Entry Wounds
Shored Gunshot Wounds
Projectile Path Determinations for Gunshot Wounds
Survivors of Gunshot Wounds
Summary and Concluding Comments
References and Further Reading
Trace Evidence Considerations Associated with Firearms Evidence: Evidentiary and Reconstructive Aspects
Introduction
Locard's Principle Revisited-Some Examples of Trace Evidence Transfers and Deposits
Common Examples of Trace Evidence on or Embedded in Recovered Bullets and Applicable Analytical Methods
Examination Protocol and Common Analytical Techniques
Sequence of Events Through Trace Evidence-Three Case Examples
Summary and Concluding Comments
References and Further Reading
Cartridge Case Ejection and Ejection Patterns
Overview
Scene Work-Terrain/Substrate Considerations
Relocated Cartridge Cases
Firearm-Ammunition Performance
Review of Markings on Fired Cartridge Cases
Laboratory Examination of Ejected Cartridge Cases
General Protocol for Ejection Pattern Testing
Cartridges Ejected from Moving Vehicles
Additional Considerations
Manually Operated Firearms
Summary and Concluding Comments
References and Further Reading
True Ballistics: Long Range Shootings and Falling Bullets
Introduction
The Basics of Exterior Ballistics and Their Forensic Application
Case Situations-An Overview
Maximum Range Trajectories
Lagtime
Penetration and Projectile Deformation as an Expression of Range of Fire
Bullets from the Sky
Summary
References and Further Reading
Shotgun Shootings and Evidence
Introduction
Shotgun Design and Nomenclature
Choke and Patterning
Shot Charges and Dram-Equivalents
Wads and Shotcups
Powder, Gunshot Residue, and Buffer Material
The Exterior Ballistics of Shotgun Pellets
Summary and Concluding Comments
References and Further Reading
Ultimate Objectives, Reports, and Court Presentation
Explaining What We Do
Legal Challenges and the Role of Shooting Incident Reconstruction in Litigation
Reports and Report Writing
Concluding Comments
References and Further Reading
Appendix
Shooting Incident Evaluation and Reconstruction Documents Sought or Requested
Materials Checklist for Shooting Scene Examination
Vehicle Data, Measurements, and Behavior with Occupants and/or Movement
Vehicle Diagrams
Logsheet for Projectile Strikes to Vehicles
Shooting Reconstruction Checklist
Suggested Guidelines for Reconstruction and Reenactment of Shooting Incidents
Coat Worksheet
Long Sleeved Shirt Worksheet
Under Shirt/T-Shirt Worksheet
Pants Worksheet
Some Cyclic Rates of Fire for Recoil-Operated Semiautomatic Pistols
Reference
Conversion and Computational Factors
Table of Common Bullet Weights
Some General Guidelines for Laser Photography
Digital Photography of Laser Paths
Some Bullet Core and Jacket Weights
General Foundational Questions
Specific Foundational Questions
Glossary
Index