We think you have liked this presentation. If you wish to download it, please recommend it to your friends in any social system. Share buttons are a little bit lower. Thank you!
Presentation is loading. Please wait.
Published byNathaniel Lummis
Modified over 2 years ago
EXCERPTS from BASIC FIREARMS IDENTIFICATION Lucien C. Haag Criminalist Forensic Science Services, Inc. Carefree, AZ 85377 firstname.lastname@example.org Prepared for DCA Vince Imbordino
PRINCIPLES OF FIREARMS IDENTIFICATION CALIBER DESIGNATIONS Caliber relates to the nominal inside dimensions of the barrel
PRINCIPLES OF FIREARMS IDENTIFICATION FOUR COMMON RIFLING ARRANGEMENTS 4 5 6 6 Direction of Rotation Rt Lt
PRINCIPLES OF FIREARMS IDENTIFICATION: Class Characteristics Imparted to Fired Bullets RIGHT TWIST LEFT TWIST
Examples of Fired Bullets Right Twist Left Twist
SLIDE BREECHFACE EXTRACTOR FIRING PIN EJECTOR SOURCES of MARKS on CARTRIDGE CASES
extractor breechface SLIDE removed from a Semi-Automatic Pistol Support Area for the Cartridge
extractor Live Cartridge loaded from the Magazine Slide retracted ejector
ejector mark firing pin impression EJECTOR MARK on an Extracted and Ejected Cartridge Case Impact site Typical ejectors are located at the 7 to 8 oclock position
CARTRIDGE CASE EJECTION from a SEMI-AUTOMATIC PISTOL slide barrel Ejector
STYLIZED BREECHFACES with VARIOUS TOOL MARKS FIRED CARTRIDGES
STYLIZED BREECHFACES and VARIOUS EJECTOR SHAPES FIRED CARTRIDGES with EJECTOR MARKS
Summary of Markings on Cartridge Cases
BASIC FIREARM and TOOLMARK IDENTIFICATION Lucien C. Haag Criminalist Forensic Science Services, Inc. P.O. Box 5347 Carefree, AZ 85377 email@example.com -end-
EJECTOR MARKS from a M1911A1.45 AUTOMATIC Slides Assembled by Luke Haag-Criminalist Forensic Science Services Carefree, AZ.
Ballistics & Impressions Review. What term is associated with this definition? A discipline mainly concerned with determining whether a bullet or cartridge.
Firearm Identification Laboratory Exercises © Precision Forensic Testing
Firearms Identification Mr. Tomasevich Forensics.
Objective: Students will be able to describe the class and individual characteristics of bullets and cartridge cases. Do Now 1.Turn in your outline/lecture.
Firearms Notes Forensic Science. Categories of Firearms Shotguns- gauge Shotguns- gauge Rifles-caliber Rifles-caliber Handguns-caliber Handguns-caliber.
1. The term ballistics refers to the science of the travel of a projectile in flight. The flight path of a bullet includes: travel down the barrel,
Firearms and Toolmarks. Firearms Summary Guns (types and manufacturing) Ammunition Firing a gun Collecting Evidence Analyzing Evidence.
Ballistics: how bullets behave after being fired from a gun *Study of a projectile in motion.
1 CRIM B12. 2 Physical Evidence Locard’s Exchange Principle states that a criminal always removes something from the crime scene or leaves behind incriminating.
The inner surface of the barrel of a gun leaves its markings on a bullet passing through it. These markings are peculiar to each gun. The gun barrel is.
Ballistics the study of projectiles (bullets) and firearms.
Bullet ID Lab. Macroscope mag 5-40X Water tank to obtain the standards for the bullet.
15- PRENTICE HALL ©2007 Pearson Education, Inc. Upper Saddle River, NJ CRIMINALISTICS An Introduction to Forensic Science, 9/E By Richard Saferstein.
Definition: any material that travels with the ability to injure Energy is dependent on the velocity, mass, and distance traveled by projectile.
Firearms Identification. A discipline mainly concerned with determining whether a bullet or cartridge was fired by a particular weapon.
Ballistics Intro to Firearms 1. Forensic Science: Fundamentals & Investigations, Chapter 17 2 Long Guns and Handguns o Long guns Rifles fire bullets Shotguns.
CJ386-Unit 4 Review Fingerprints are a means of personal identification No two fingerprints have ever found to be identical Class characteristics-basic.
Ballistics and Firearms Examination. Ballistics Slow motion bullet 1:00 (same as opening day) &feature=endscreen&v=emP5D9Klssg.
Chapter 15. Structural variations and irregularities caused by scratches, nicks, breaks, and wear may permit the criminalist to relate: A bullet to.
FIREARMS TOOLMARKS AND IMPRESSIONS. TYPES OF FIREARMS HANDGUNS (PISTOLS) REVOLVER SEMIAUTOMATIC RIFLES SHOTGUNS AIR OR BB GUNS.
Firearms, Toolmarks, and Impressions 1. 2 Lesson 1 – Firearms Lesson Essential Questions: How are firearms and bullets distinguished from one another?
J.M. Saloom FIREARMS/TOOLMARKS ACDLA SUMMER SEMINAR Joseph M. Saloom.
Forensic Science: Fundamentals & Investigations, Chapter 17 1 Chapter 17 Ballistics By the end of this chapter you will be able to: describe rifling on.
Firearms, Ballistics, & Gunshot Wounds: Part I STEM.
Firearms, Toolmarks, and Impressions 1. 2 You will learn: How class and individual evidence can answer different questions. How impression analysis is.
Ballistics and Firearms Ballistics- Study of a projectile in motion Firearm Identification- Study of whether a bullet or cartridge case was fired from.
Firearms & Bullets. Firearms Summary Guns (types and manufacturing) Ammunition Firing a gun Collecting Evidence Analyzing Evidence.
Hosted by Mrs. Koenig Looks Scary Big Shots Force of Nature Evidence
Ballistics. What is Forensic Ballistics Any projectile is considered ballistic evidence. These include bullets, arrows, objects launched from a slingshot.
1 What is ballistics? Give 3 examples of how ballistics is used in forensic science.
Ballistics: Introduction Ballistic evidence helps explain: Ref: Forensic Science: Fundamentals & Investigations, Chapter 17 Bertino 1.
Ballistics YouTube - Bullets in Slowmo. Ballistics The study of Ballistics involves the: Comparison of bullets and cartridge cases. Knowledge of all types.
BALLISTICS Firearms and Cartridges. Terms Ballistics: the study of bullets and firearms Firearms: a weapon capable of firing a projectile using a confined.
BALLISTICS Bullets and Casings. T IMELINE OF B ALLISTICS E XAMINATION 1923: FBI Bureau of Forensic Ballistics established 1929: weapons used in the St.
Firearms Identification. Forensic firearms examinations identification of a bullet, cartridge case, or other ammunition component as having been fired.
1 What is ballistics? Give examples of how ballistics is used in forensic science.
Chapter 15 - Firearms Types of guns: 1. Handguns or pistols – These are designed to be held in one hand so they are easy to carry and conceal. Not as accurate,
Cartridges Design The bullet, usually made of metal, is out front with the cartridge, holding the primer and propellant powders, behind. Change Your Life.
Impression Evidence Firearms Examination Tom Anderson.
Forensic Science: Fundamentals & Investigations, Chapter 17 1 Chapter 17 Ballistics By the end of this chapter you will be able to: o Explain the differences.
Syracuse University June, 2010 Firearms and Toolmarks.
Chapter 8. Toolmarks and Firearms Chapter Objectives Toolmark – Definition Firearms Examination – Background Firearms Evidence Examination and Comparison.
Mankind has been fascinated by the idea of launching a projectile at animals for thousands of years. Gunpowder was first used in China over 1000 years.
Mrs. Pearson’s First Semester Forensic Science *For those watching by recording, watch for questions on the slides throughout the presentation. .
Firearms and Ballistics Mrs. Schultz
Ballistics. History of Gunpowder and Firearms The Chinese invented gunpowder over a thousand years ago using KNO 3, charcoal and sulfur. Muzzle-loading.
Firearms, Tool Marks, and Impressions. Serial Number Restoration Requests are often made to restore a serial number removed or obliterated by grinding,
© 2017 SlidePlayer.com Inc. All rights reserved.