Firearms and Toolmark Identification Firearms analysis is a “discipline mainly concerned with determining whether a bullet or cartridge was fired by a particular weapon”. (Saferstein) Its beginnings can be traced back over one thousand years ago to around 1040 A.D. In China‚ Tseng Kung-Liang published the first recipes for three types of gun powder‚ which were made through a mixture of sulfur‚ charcoal‚ and potassium nitrite. (Hellemans and Bunch‚ 75) These basic elements are important because
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typically written as a decimal fraction ex. .32 caliber.” Different bullets used in the civil war‚ some included the .58 or .69 Minie Ball‚ the .577 caliber Enfield‚ the .58 Gardner‚ the .52 caliber Sharps‚ etc. One of the most popular was the Minie Ball‚ which was used by both Union and Confederacy during the civil war. The Minie ball was “Cylindrical in shape‚ with a conical point and a hollow base containing an iron plug‚ the Minié bullet was smaller than the diameter of a rifle barrel‚ and could be
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Supporters of arming pilots argue that it a better solution than equipping airplanes with sky marshals and that it would considerably enhance the security of airplanes. However‚ crucial constraints‚ such as the risk of crash that can be caused by a bullet hole in the airplane‚ the fact that pilots can’t be blindly trusted to carry guns‚ and the fact that making airplane cockpits impenetrable is enough to ensure the safety of airplane passengers‚ makes the project an extremely risky and weak one. 4
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The weapons and technologies of the civil war played a huge part on how the war was fought. Different types of bullets‚ guns‚ cannons‚ and new technologies like morse code definitely affected the war and changed the strategies different sides would use as time went on. Even small newfound inventions such as photography had an impact on the war‚ and especially helped us to better understand what the Civil War was really like. One of the biggest types of weapons used in the civil war was the
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Robert Spencer‚ June 3‚ 2013 Discuss the procedures for collection and packaging firearms evidence at a crime scene. After a firearm has been photographed at the scene‚ it will be necessary to be rendered safe. An automatic pistol will require its magazine to be removed and the round extracted from the chamber. When removing the magazine it will need to be handled carefully in order to preserve potential fingerprint evidence and be placed in a paper or plastic evidence bag. The round
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DPMS‚ typically function using the same gas operated system. Gas operated systems are considered by many in the world of firearms to be the best system for these types of rifles. All gas operated rifles have the same basic process‚ the force of the bullet exiting the barrel is used to cycle the rifle and chamber another round. Components Of The Rifle Before operating a firearm such as the DPMS‚ it is important to understand its main components and how the function. Below is an exploded view of the
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make‚ and caliber of the firearm need to be recorded. If a firearm has blood or other material on it‚ make sure to surround it in clean paper and tape down the paper (Crime Scene Investigator Network). Bullets and cartridges need to be photographed overall‚ midrange‚ and up-close with a scale. Bullets and cartridge cases should be individually packaged in pill
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digital images of shell casings to link violent crimes involving firearms and identify firearm users or “trigger pullers”. 2. List the class and individual characteristics of bullets and cartridge cases. Class characteristics include features such as the number of lands and grooves and their width‚ direction of twist and bullet diameter. Individual characteristics are different for every firearm that can be further classified into impressed or striated marks. 3. Describe the laboratory tests utilized
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shoot the rifle on the Fourth of July. They had no idea of the repercussion that it would cause when they did. The bullet that they fired traveled four blocks over and hit a man named Charlie Ward in the head as he was fixing his roof. Michael was on his way to his driving test at the D.M.V. when on the radio‚ it was broadcasted that Charlie Ward was mysteriously killed by a bullet from the sky on the Fourth of July. Michael finally realizes that he fired the shot that killed Charlie Ward. Michael
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or hell‚” meaning windshield he is referring to that of a car’s windshield and if you survive a car crash which would be an unexpected accident in life or He then goes on to say that if you survive the bursting shell as in a gun’s bullet‚ probably in referring to bullets and being shot using a metaphor of dying. You then reach a chance to choose a life in heaven or hell after you die. So live each day as if it were your last. He also advises his son to be specific between the differences in peony
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