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? contact to near contact close range medium range 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?

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