Chapter 9, Problem 15RQ

Summary Introduction

To identify: The discharge inches obtained from the deposition of halo smoke surrounding the bullet hole from the target.

Introduction: When a weapon such as pistol or rifle fires, it ignites both the primer and the powder of the cartridge. The powder residue obtained from the gunshot is is called as gunshot residue. This residue is usually scattered surrounding the perimeter of a bullet hole. The residue pattern can provide the distance between the target and the firearm. In some cases where the weapon is lost the gun powder residues at the bullet hole an approximate distance between shooter and target could be predicted.