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Firearm Analysis

            
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             Firearms are a deadly efficient weapon and are commonly used to harm by individuals to harm others. Even with Australia's relatively strict gun laws there is still a significantly high number of crimes involving firearms which therefore requires a forensic team to have a good knowledge in firearm analysis and identification. In a firearm related crime the complete identification of a firearm often requires the forensic officer involved to determine the make or manufacture, type, caliber or gauge, serial number, model, barrel length and number of shots it has the capacity to fire. They must also be able to determine the distance at which the weapon was fired (range) and analyze primer and gunpowder residue deposits in order the identify and convict suspects.
             The most common task of a firearm examiner is to link a bullet back to the weapon it was fired from. .
             The class characteristics of a firearm are the features that identify the make and model. These characteristics must be determined to link a bullet back to what it was fired from. The barrel of a firearm is manufactured by a step know as rifling (Rowe, 2000). This involves impressing its inner surface with spiral grooves. The original surfaces, or bore, between the grooves is referred to, as lands and they are at equal distance apart. The diameter between the lands of the barrel is the called the firearms caliber. Different makes and models of firearms will have different caliber's, different directions of twists in the groove and a different number of lands and grooves. For example, Marlin rifles are rifled by a unique process called microgrooving resulting in 8 to 24 grooves impressed into their barrels. As a bullet is made slightly oversized for the barrel in which it is to be fired out of it will bare an imprint of the number of lands and grooves of the barrel and the direction and degree of the twist of the grooves (Rowe, 2000).


Essays Related to Firearm Analysis

1. Crime and Gun Shot Residue

GSR, also known as firearm residue, is defined as the "residue from the primer that is produced when a gun is fired" (James, Nordby, & Bell, 2014, p. 572; Firearms Residue, 2011). ... But where does firearm residue come from? ... "Some common places that the forensic teams collects samples for gunshot residue analysis include "the hands, face, clothing of the shooter and on the weapon itself" (Firearms Residue, 2011). Firearm residue can also be found on the victim and any bystanders (Locke, 2012). ... Potentially hundreds or thousands, or even more, of cases were de...

  • Word Count: 2081
  • Approx Pages: 8
  • Has Bibliography
  • Grade Level: Undergraduate

2. criminal justice

This can be used by a firearms examiner to provide facts and opinions relating to firearms examinations. ... If the firearms examiner has a questioned firearm, therefore, he or she can use it to determine if that firearm was probably the one used to fire the bullet or cartridge case in question. ... The Federal Bureau of Investigation (FBI) laboratory was established in 1932 and recognized the forensic analysis of firearms and tool-mark identification. After that, many other labs were established which provided this type of analysis, assisting the police and law enforcement. ... With ...

  • Word Count: 1004
  • Approx Pages: 4
  • Has Bibliography

3. Rhetorical Analysis - Gun Ownership

Through research and analysis, it has come to my attention when reading an article from the American Journal of Public Health called "The Relationship between Gun Ownership and Stranger and Non-stranger Firearm Homicide Rates in the United States, 1981-2010," that gun ownership should be restricted. The argument of this article is about whether or not the availability of firearms should be allowed in a household or if it should be restricted. ... In that case, firearms cause more than 31,000 deaths annually in the United States as mentioned by Michael Siegel. ... Since then, several ...

  • Word Count: 1006
  • Approx Pages: 4
  • Has Bibliography
  • Grade Level: Undergraduate

4. Gun Control

Canadian firearms law is primarily federal, and "therfore national in scope, while the bulk of the firearms regulation in the United States is at the state level; attempts to introduce stricter leglislation at the federal level are often defeated". ... Through the analysis of the writings and reports of academics and experts of gun control and urban violence, it will be possible to examine the issues and theories of the social impact of this issue. ... Among the provisions legislated by the Canadian government was a "Firearms Acquisition Certificate" for the purcha...

  • Word Count: 2619
  • Approx Pages: 10
  • Grade Level: High School

5. The Debate over Gun Control

The constitution, specifically the Second Amendment, even protects our right to own firearms. ... Reported by the National Center for Policy Analysis, "Among the 15 states with the highest homicide rate, 10 have restrictive or very restrictive gun laws" ("Myth No. 2" 2). ... The issue is not possession of firearms, but misuse of firearms. ... According to the National Center for Policy Analysis (NCPA) New Jersey set in place an extremely strict gun law in 1966 and 2 years later the murder rate was up 46% and their robbery rate almost doubled ("Myth No. 2" 1). ... The reason is that sup...

  • Word Count: 1916
  • Approx Pages: 8
  • Has Bibliography
  • Grade Level: High School

6. Gun Control and the Stand Your Ground Law

The National Firearm Act required firearms to be registered with the Secretary of Treasury. ... How do people of those ages obtain a firearm? ... There have been so many killings due to the use of a firearm. ... The demand for a firearm is rapidly increasing. ... From this analysis paper and American Government class I've learned that many things work off of a public issue. ...

  • Word Count: 1528
  • Approx Pages: 6
  • Has Bibliography
  • Grade Level: High School

7. GUN CONTROL

This same analysis can be applied to the 2nd Amendment. ... Sometimes it is looked at as the fact of firearms being used for the wrong reasons. ... Millions of law-abiding Americans do own and do enjoy their firearms. ... There was a bill, known as the Brady Bill, which mandated a waiting period on firearms. ... Firearms were shown to be the weapon of choice in 70% of homicides in 1993 and the number of violent crimes committed using firearms increased by 55% from 1987-1992. ...

  • Word Count: 2132
  • Approx Pages: 9
  • Has Bibliography
  • Grade Level: High School

8. GUN CONTROL

Although the Second Amendment clearly allows for personal firearm ownership, it does not prohibit laws to keep guns from criminals, children, or the mentally ill. ... There is nothing in the Second Amendment that prohibits laws that would enact reasonable restrictions on obtaining and possessing personal firearms. ... In 1966 there were a series of brutal rapes in Orlando, Florida, which panicked the women of the city into buying firearms for defense. Fearing a rash of accidental shootings, the local newspaper co-sponsored a firearms training class conducted by the police department; in the...

  • Word Count: 1818
  • Approx Pages: 7

9. Gun Control

They wish to instill many types of bans and waiting periods on firearms, making it nearly impossible to obtain a handgun. In fact, in 1993 the Brady Bill, which mandates a waiting period on buying firearms, was passed. ... Private ownership of firearms is not a public health hazard. ... This is true, stating that if the circulation of firearms was limited to only officials, meaning that private citizens would not have guns, then only criminals would have firearms (illegally of course) and the public could not defend themselves. ... The second amendment should end the argument to the whole gun ...

  • Word Count: 1529
  • Approx Pages: 6
  • Has Bibliography

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