Practical analysis and reconstruction of shooting incidents
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書誌事項
Practical analysis and reconstruction of shooting incidents
(CRC series in practical aspects of criminal and forensic investigations)
CRC Taylor & Francis, 2006
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注記
Includes bibliographical references and index
内容説明・目次
内容説明
The ultimate goal of collecting, preserving, and examining physical evidence is individualization - associating each piece with its responsible source. Firearms evidence in particular has the potential to individualize its source. Accessible and comprehensive, Practical Analysis and Reconstruction of Shooting Incidents provides the foundation necessary to develop and sharpen the skills used to investigate shooting incidents. It provides an explanation of what constitutes pertinent evidence and appropriate results pertaining to autopsies, forensic laboratory analysis, and reenactments. The text also reviews basic firearm design, function, ammunition components, and the terminology required for understanding evidence encountered at the scene.
The book explains the basic mathematics of shooting reconstruction and includes sample problems at the end of each chapter. It presents case studies that feature those involving the John F. Kennedy and Robert F. Kennedy assassinations. It also details proper photographic documentation and effective courtroom techniques used to present the results of shooting reconstructions to juries, with examples of acceptable demonstrative evidence.
Arming the investigator with the means to successfully examine and evaluate what transpired at the scene, Practical Analysis and Reconstruction of Shooting Incidents is an important resource to have accessible at all times.
目次
Theory and Practice of Shooting
Reconstruction
Shooting Reconstruction and the Scientific Method
On-Scene Evidence: Evaluation and Documentation
Off-Scene Evaluation and Investigation
Goal of Shooting Reconstruction
Limitations of Shooting Reconstruction
Reenactment as Part of Reconstructing Shooting Incidents
Developing Time Lines
Exercises
Suggested Readings
Mathematics of Shooting Reconstruction
Trigonometry, Geometry, and Shooting Incident Analysis
Calculation of Impact Angles
Other Calculations
Distorted Bullet Base Measurements
Exercises
Suggested Readings
Firearms and Ammunition Components
Firearms Categories and Nomenclature
Ammunition Components
Scene Documentation of Weapons
Exercises
Suggested Readings
Shooting Reconstruction Equipment and Use
Documentation of Bullet Holes at Shooting Scenes
Trajectory Rods and Use at Shooting Scenes
Bullet Hole Basics
Types of Trajectory Rods
Trajectory Rod Accessories
Other Required Equipment
Substrate Considerations
Proper Trajectory Rod Placement
Uneven, Curved Surfaces
Rod Extension via Laser
Use of Lasers without Trajectory Rods
Proper Examination and Documentation
Key Points to Remember
Tripod-Mounted Lasers
Total Data Stations
Chronographs
Specialized Equipment for Shooting Reconstruction
Exercises
Suggested Readings
Cartridge Case Ejection Pattern Testing
Testing Considerations
Methodology
Interpretation of Results
Problems
Suggested Readings
Shot Pattern Analysis and Testing
Approximating Muzzle-to-Target Distance
Angle of Impact Estimation
Test Firing
Graphical Analysis
Shot Shell Buffer and Distance Estimation
Reporting of Results
Exercises
Suggested Readings
Examination and Testing of Weapons
and Ammunition Components
Trace Evidence Examination
Function Testing
Accuracy Determination
Rate of Fire Determination
Exercises
Suggested Readings
Gunshot Residue Testing
Gunshot Residue Sources
Primer Residues and Shooter Determination
Particles Considered "Characteristic" of GSR
Particles Considered "Unique" to GSR
Muzzle-to-Target Distance Approximation Testing:
Inanimate Objects
Collection of Gunshot Residue from Fixed
Inanimate Objects
Procedure
Muzzle-to-Target Distance Approximation Testing:
HumanTissue
Paraffin Test
Determination of Time since Discharge
Case Study
Exercises
Suggested Readings
Bullet Hole and Wound Characteristics
Bullet Holes in Clothing and Underlying Tissue
Reconciling Bullet Holes in Clothing with Underlying
Wounds
Bullet Holes in Glass and Glass Injuries
Glass Evidence Checklists
Determination of Directionalities of Shots
Determination of Shot Sequence
Glass Evidence Collection
Documentation of Bullet Holes in Glass
Glass Injury Documentation
Side Glass Position Determination
Test Firing for Confirmation Purposes
Bullet Holes in Tires and Other Elastic Materials
Documentation
Case Study
Exercises
Suggested Readings
Bullet Ricochet Phenomena
Terms Associated with Ricochets
Producing Ricochet
Directionality Based on Point of Impact
Other Indicators of Directionality
V Shape
Fracture Lines on Painted Surfaces
"Classic" Ricochet Mark
"Pear" Effect
Ricochet Crease Profiles
Ricochet with Partial Penetration
Internal Ricochet
Ricochets off Glass
Direction of Twist Determination from Ricochet Mark
Establishing Critical Angles
Establishing Ricochet Angles
Establishing Deflection Angles
Establishing Shooter Position
Documentation
Evidence of Ricochet
Case Study
Exercises
Suggested Readings
Bloodstains and Blood Spatter
at Shooting Scenes
Blood Characteristics and Drop Formation
Blood Spatter Associated with
Blood on Hands of Shooter
Blood on Objects at Shooting Scene
Non-Gunshot Dynamics That Mimic High Velocity
Impact Blood Spatter
Blood and Use in Timeline Development
Case Studies
Case 1: Blood Solves a Shooting
Case 2: Bloodstains and Lividity Contradict
a Suspect's Story
Exercises
Suggested Readings
Officer-Involved Shootings
General Considerations
Protocol for Officer-Involved Shooting
Unintentional Discharge of Weapon
Accidental Discharge of Weapon
Suicide by Cop
Case Studies
Attempted Suicide by Cop
Charles Whitman and the University of Texas
Tower Incident
Exercises
Suggested Readings
Case Analysis
General Considerations
Shot Accounting
Recognizing Staged and Misrepresented Crime Scenes
Off-Scene Analysis of Crime Scene Data
Homicide-versus-Suicide Issues
Common Misconceptions
Importance of Obtaining Participant Information
Shots Fired into Vehicles
Vehicle Bullet Hole Documentation
and Trajectory Analysis
Case Studies
Case 1
Case 2
Case 3
Suggested Readings
Ballistics
Introduction
Internal Ballistics
External Ballistics
Terminal Ballistics
Common Misconceptions Regarding Wound Ballistics
Sound Suppressors
Case Study
Suggested Readings
Firearms and Ammunition Reference
Collections and Other Resources
Firearms and Ammunition Reference Collections
Databases and Software
Vehicle Information
Architectural Information
Weather and Meteorological Data
Bullet Trajectory Data
Imagery
Crime Scene Software
References
Report Writing, Demonstrative Evidence,
and Courtroom Presentation
Standard Reporting Formats
Suggested Summation Report Format
Photographic Images, Drawings, and Diagrams
Full-Scale Reproductions
PowerPoint Presentations
Court Testimony
Suggested Readings
Glossary
Index
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