forensic investigation of unusual firearms ballistic and medico legal evidence

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Forensic Investigation Of Unusual Firearms

Author : J.K. Sinha
ISBN : 9781466571372
Genre : Law
File Size : 52. 95 MB
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In recent years, the use of illegally produced firearms has increased exponentially worldwide. These are often cheap, nonstandard firearms that defy known classification and identification criteria. The use of unusual firearms in crimes has frequently led to unpredictable and misleading reconstruction of shooting incidents. In this book, internationally known forensic firearm expert, J.K. Sinha, presents a detailed forensic study of unusual firearms, with the goal of helping crime-scene investigators to minimize erroneous conclusions in cases where these types of firearms are used. Based on his extensive experimentation with more than 1,000 nonstandard firearms, the author identifies new class characteristic parameters needed to establish linkage of projectiles with irregular rifled and smoothbore barrels. The book begins with an introduction to unusual firearms and proceeds to discuss forensic investigation of fired bullets, medico-legal evidence, barrel marks on fired shots, and investigation of fired cartridges and shot charge. Chapters also cover topics such as timing of firing, unusual rifling marks, shooter identification, and unusual bullet hole evaluations. Providing concise yet complete techniques for making forensic analyses and conclusions, this is the first book of its kind to critically examine the use of unusual, nonstandard firearms in perpetrating crimes. It is intended for professionals and academicians working in the field: forensic firearm experts and consultants, forensic medicine professionals and medico-legal experts, prosecution and defense attorneys, enforcement agencies and judiciary, university students and researchers studying forensic science, forensic medicine, criminology and law.

Firearms The Law And Forensic Ballistics Third Edition

Author : Tom Warlow
ISBN : 9781439818282
Genre : Law
File Size : 57. 93 MB
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While gun design has undergone only minimal change over the centuries, investigative tools surrounding firearm use have grown significantly in sophistication. Now in its third edition, Firearms, the Law, and Forensic Ballistics has been updated to reflect recently published research and new technology developed since the last volume. Beginning with a discussion of the development of arms and ammunition from the fourteenth century to the present day, this book examines: Firearms laws around the world, including legal challenges raised in the U.S. by the Daubert decision Firearms manufacturing processes, the mechanisms of various firearms, and the linking of a particular bullet or spent cartridge with a suspected weapon The origins and development of new science in firearms, including controversies, pioneers, and an exposé of the "quack" purveyors of pseudo-science Internal, external, and terminal (wound) ballistics The nature, composition, and analytical detection of discharge residue left on a suspect The role of the ballistics expert at all stages of a case, ranging from the scene of the shooting incident, the post mortem examinations, the examination and testing of exhibits at the laboratory, and the presentation of evidence in court Recently introduced computer search techniques applied to captured and digitally stored images of marks left on fired bullets and spent cartridge cases Manual microscopic comparison work and computer-based searches on digital images of bullet and cartridge case marks to determine if a particular weapon has been fired in previous cases Written by an expert with more than 50 years of experience using and handling firearms, this text is enhanced with nearly 250 illustrations, making it a premier guide to the fundamentals of firearms and related evidentiary considerations.

Death Scene Investigation Procedural Guide

Author : Michael S. Maloney
ISBN : 9781439845905
Genre : Law
File Size : 90. 10 MB
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"Death Scene Investigation: Procedural Guide is the answer to a long recognized dilemma: how to have every death investigated by an experienced death investigator." — Tom Bevel, author of Practical Crime Scene Analysis and Reconstruction and Bloodstain Pattern Analysis with an Introduction to Crime Scene Reconstruction, Third Edition Those tasked with investigating death scenes come from a variety of backgrounds and varying levels of experience. Death Scene Investigation: Procedural Guide gives the less experienced investigator the procedures for almost any death scene imaginable while providing the seasoned investigator a ready reference for deaths occurring even under the most unusual of circumstances. It details the precise steps that need to be taken when processing and analyzing a death scene to ensure vital evidence is not lost and "red flags" are not missed. Using a bulleted format for quick and easy access, the book provides hands-on, concise instruction in a style friendly to a range of professionals. Topics discussed in this practical manual include: Initial response and scene evaluation. This section includes a death investigation decision tree to lead investigators to a preliminary cause of death. The section is broken down into natural, accidental, suicidal, and homicidal deaths. It also explores the role of the medical examiner and autopsy protocol. Recovery of human remains from open field, aquatic, and buried sites. This section also discusses estimating the time of death. Wound dynamics and mechanisms of injury. Manners of death include asphyxiation; sharp force, blunt force, and chopping injuries; handgun, rifle, and shotgun wounds; and explosive, thermal, and electrical injuries. Special death scene investigations. Discussions include child and infant death, sex-related death, and death scenes with multiple victims. Death scene management. This section covers documentation, sketching, photography and videography, special observations, and search procedures. Death scene evidence processing. Topics include bloodstain patterns, shooting scenes, and entomological, biological, trace, friction ridge, and impression evidence. An appendix contains precautions for handling bloodborne pathogens and 15 innovative worksheets for field use are available for download. Death scene responders who master the techniques in this volume will expedite solving the circumstances of the death and the closing of the case. Michael S. Maloney was interviewed in Volume 13 of Anil Aggrawal's Internet Journal of Forensic Medicine and Toxicology.

Forensic Analysis On The Cutting Edge

Author : Robert D. Blackledge
ISBN : 0470166908
Genre : Science
File Size : 23. 10 MB
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This title brings forensic scientists and chemists up-to-date on the latest instrumental methods for analysing trace evidence, including mass spectrometry, image analysis, DIOS-MS, ELISA characterization, statistical validation, and others. Illustrates comparative analysis of trace evidence by both old and new methods. Explains why some newer methods are superior to older, established methods. Includes chapters on analysis of DNA, ink, dyes, glitter, gun powder traces, condom trace evidence, footwear impressions, toolmark impressions, surveillance videos, glass particles, and dirt. Discusses applications such as mass spectrometry, image analysis, desorption-ionization on silicon mass spectrometry (DIOS-MS), ELISA characterization, and statistical validation.

Autoerotic Deaths

Author : Anny Sauvageau
ISBN : 9781439837139
Genre : Law
File Size : 81. 77 MB
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Autoerotic Deaths: Practical Forensic and Investigative Perspectives is a collaboration between two internationally known experts who combine their extensive experience to present a scientific, modern view of autoerotic death—complete with a wide variety of exquisite case histories, photographs, and investigator tips. Chief Medical Examiner Anny Sauvageau of Alberta, Canada and retired NYPD Lieutenant Commander Vernon J. Geberth bring considerable insight to this volume, providing practical and conventional information based on scientific research and case experience from the field. Enhanced with more than 100 color photos, the book explores: The evolution of the concept of sexual asphyxia and autoerotic death The definition and epidemiology of autoerotic death, pitfalls involved in the application of the term autoerotic, and best practices for approaching these death scenes Death scene characteristics and the importance of recognizing clues to the autoerotic nature of a death Methods of autoerotic death, including hanging, plastic bags, chemical substances, and other less-common scenarios Atypical victims of autoerotic deaths Using a case history format, the book presents a complete analysis of all aspects of this unusual and unfortunate type of death. The combination of theory and practice, along with up-to-date science, makes this book an unparalleled resource for all those involved in the investigation of these peculiar incidents.

Strengthening Forensic Science In The United States

Author : National Research Council
ISBN : 9780309142397
Genre : Law
File Size : 43. 32 MB
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Scores of talented and dedicated people serve the forensic science community, performing vitally important work. However, they are often constrained by lack of adequate resources, sound policies, and national support. It is clear that change and advancements, both systematic and scientific, are needed in a number of forensic science disciplines to ensure the reliability of work, establish enforceable standards, and promote best practices with consistent application. Strengthening Forensic Science in the United States: A Path Forward provides a detailed plan for addressing these needs and suggests the creation of a new government entity, the National Institute of Forensic Science, to establish and enforce standards within the forensic science community. The benefits of improving and regulating the forensic science disciplines are clear: assisting law enforcement officials, enhancing homeland security, and reducing the risk of wrongful conviction and exoneration. Strengthening Forensic Science in the United States gives a full account of what is needed to advance the forensic science disciplines, including upgrading of systems and organizational structures, better training, widespread adoption of uniform and enforceable best practices, and mandatory certification and accreditation programs. While this book provides an essential call-to-action for congress and policy makers, it also serves as a vital tool for law enforcement agencies, criminal prosecutors and attorneys, and forensic science educators.

Handbook Of Firearms And Ballistics

Author : Brian J. Heard
ISBN : 9781119964773
Genre : Medical
File Size : 84. 47 MB
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The updated second edition of Handbook of Firearms and Ballistics includes recent developed analytical techniques and methodologies with a more comprehensive glossary, additional material, and new case studies. With a new chapter on the determination of bullet caliber via x-ray photography, this edition includes revised material on muzzle attachments, proof marks, non-toxic bullets, and gunshot residues. Essential reading for forensic scientists, firearms examiners, defense and prosecution practitioners, the judiciary, and police force, this book is also a helpful reference guide for undergraduate and graduate forensic science students.

Medicolegal Investigation Of Gunshot Wounds

Author : Abdullah Fatteh
ISBN : UOM:39015003819839
Genre : Forensic ballistics
File Size : 62. 23 MB
Format : PDF, Docs
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Death Scene Investigation

Author : Scott A. Wagner
ISBN : 1420086774
Genre : Law
File Size : 23. 16 MB
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Each and every death scene presents new challenges to even the most seasoned investigator. Despite the unique nature of each scenario, using a standardized protocol is the key to ensuring consistent and accurate results. Death Scene Investigation: A Field Guide provides concise direction for the death scene investigator, crime scene investigator, coroner, medical examiner, or anyone associated with the investigation of death. Since the majority of deaths are due to natural causes, the book emphasizes these situations, yet also examines unnatural circumstances. It begins by providing a general overview of death investigation before delving into a chronological point-by-point analysis of the death scene. Topics discussed include how to assess the body at the scene, and how to investigate natural and unnatural deaths. Explores Various Causes Next, the text demonstrates how death manifests in various parts of the body. A section on traumatic injuries examines and demonstrates with color photographs blunt force, sharp force, and a host of other injuries that the death examiner is likely to confront. The book addresses identification methods and explores how to determine signs of resuscitation and previous surgeries. It concludes with a discussion of the purpose and performance of the autopsy and provides a survey of the different forensic experts that may become useful to the death investigator. Enhanced by numerous color photos, this volume is a direct, succinct handbook that is invaluable to those that confront the reality of death on a day-to-day basis. Its convenient format makes it the perfect guide to take along to the scene.

Cartridges And Firearm Identification

Author : Robert E. Walker
ISBN : 9781466588813
Genre : Law
File Size : 48. 34 MB
Format : PDF, ePub, Mobi
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At a time when crime scene television shows are all the rage amongst the civilian population, knowledge of firearm forensics is of paramount importance to crime scene analysts, police detectives, and attorneys for both the prosecution and the defense. Cartridges and Firearm Identification brings together a unique, multidisciplined approach to questions that arise regarding ammunition and firearms within the context of investigation. Supplying essential practical information about firearms and ammunition in a clear, easy-to-follow format, this volume: Defines and depicts photographically all varieties of firearms Presents investigative concerns of firearms evidence from the perspectives of evidence preservation and safe handling procedures Introduces readers to the standards of measurement used to classify ammunition, including the significance of names, adjectives, and other descriptors used in conjunction with ammunition cartridges Categorizes and identifies ammunition head stamps from cartridges produced around the world Provides ammunition manufacturing practices for dozens of nations The text offers a methodology for the identification of unknown firearms as well as ammunition of questioned identity. The author explains the terminology and describes each group of firearms and the aspects that identify the weaponry—including property marks, proof marks, and patent dates. Lavishly illustrated, this comprehensive reference includes case studies to support the text, making it a premier reference for all those responsible for the complicated task of investigating firearms and cartridges.

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