Reference no: EM131531973

Approximately 70%-75% of homicides are committed with firearms. Write 4-5 pages that answer the following questions:

Part 1
· Explain how a handgun is manufactured, most specifically the bore of the barrel.
· Why is rifling present in the bore of the barrel? What is the purpose of rifling?
· Compare and contrast a revolver versus a semiautomatic handgun. How is the caliber of a handgun determined?
· Explain the difference between a bullet, shell casing, and a projectile.
· When examining a handgun, projectile, or shell casing, provide examples of class and individual characteristics.
· What is the difference between a perforating gunshot wound and a penetrating gunshot wound?
· Compare and contrast the characteristics of an entrance wound versus an exit wound.

Part 2
· What are the characteristics that might exist or not exist for determining the muzzle-to-target distance?
· There are four ranges. At each range, what is the muzzle-to-target distance?
o contact to near contact
o close range
o medium range
o distant range
· Explain the characteristics that might exist or not exist at each range. For example, a bullet hole will be a characteristic at each range.
· What types of evidence would an investigator document from a handgun of a death scene?