V. Pravallika


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Course Name: Forensic Ballistics

Course Code (Credits): CUTM2901 (3+0+0)

Course Objectives

  1. To learn about the methods of identification of firearms.
  2. To know the basics of internal, external and terminal ballistics.
  3. To understand the concepts of ammunitions and gunshot residue

Course Outcomes

  1. To explain classification of firearms and their firing mechanisms.
  2. To assemble various types of ammunitions.
  3. To remember the basic terminologies for the understanding of internal, external and terminal ballistics.
  4. To analyze the class and individual characteristics for firearm identification.
  5. To analyze Gun Shot Residues

Course Syllabus

Module - 1

Firearms and Ammunitions

Firearms characteristics & classification of firearms, History and background of firearms, Functional assembly & Operating principle of firearms, Characteristics & Working mechanism of Standard: Rifled firearms, Small arms, Shot guns & Non-standard: Improvised, Country made, Imitative firearms, identification of origin. Ammunition & its constructional parts, Classifications of Ammunition on basis of constructional features, Functional assembly of different types of ammunition & their types, Safety aspects for handling firearms and ammunition, cartridge-firing mechanism.

Module - 2

Basics of Ballistics

Types of ballistics & their aspects, Internal, External, and Terminal Ballistics, General elementary & other principal problems: Heat problems, Pressure, Recoil, Vibration & Jump, Barrel Fouling, Trajectory formation & its computation, Vacuum Trajectories & its measurement, Influence of earth trajectory, Effect of air resistance on trajectories, Parameters involved in exterior ballistics. Effect of projectile on target based on: nature of target, bullet shape, striking velocity, striking angle and nature of target, intermediate targets, and range.

Module - 3

Analysis of Firearms and Gun Shot Residues

Identification of firearms, ammunition and their components: Principles, Processing of Firearm Exhibits involved, Class characteristics & Individual characteristics (Identifiable marks)produced during firing process on cartridge cases & projectiles and their linkage with firearms. Analysis of GSR Composition of GSR, Location & Collection, Mechanism of formation, Chemical & Instrumental techniques involved in analysis, Shooter Identification technique. Case studies related to firearms cases.

Books Recommended

  1. J. Howard Mathews; Charles C. Thomas, Firearms Identification, Vols 1, 2, & 3; Springfield, Illinois.
  2. Hatcher, Jury And Weller, Firearms Investigation, Identification And Evidence; Stackpole Books, Harrisburg, P. A.
  3. Vincent Di Maio, Gunshot Wounds; CRC Press, Washington, Dc.
  4. Brain J. Heard., Hand Book Of Firearms And Ballistics; John Willey, England.
  5. TA, Warlow., Firearms, The Law And Forensic Ballistics; Taylor And Francis, Landon.
  6. Karl G. Sellier et al., Wound Ballistics And The Scientific Background; Elsevier, London.
  7. M. Johari, Identification Of Firearms, Ammunition And Firearms Injuries; BPR&D, New Delhi.

Session Plan

Session - 1

Introduction to Ballistics and History of firearms

Introduction to firearms and History

Ballistics BR Sharma

Session - 2

Characteristics & Classification of firearms

Classification of firearms

Session - 3 & 4

Working Mechanism of Different kinds of firearms

Forensic ballistics

Firearms Examination: Principles

Session - 5

Types of Ammunitions

Cheap ammo in bulk quantity

Session - 6 & 7

Presentation by students

Session - 8

Types of Ballistics and their aspects

Types of bullets

Session - 9 & 10

Internal Ballistics

Session - 11 & 12

External Ballistics

Session - 13 & 14

Terminal Ballistics

Terminal ballistics

Session - 15 & 16

Presentations by students

Session - 17

Identification of firearms, ammunition and their components

Pre Trial Process- Procuring Attendance of Person and Production of Documents

Session - 18

Class and Individual Characteristics

Module 11 :: Physical Characteristics

Session - 19, 20 & 21

Analysis of GSR

Chemical Analysis of Gunpowder and Gunshot Residues

Session - 22

Case study explanation by students

Our Main Teachers

V. Pravallika

Assistant Professor

Assistant Professor, Department of Forensic Science, School of Paramedical and Allied Health Sciences, Centurion University of Technology and Management, Vizianagaram