Podcast
Questions and Answers
What is the primary function of a cartridge in a firearm?
What is the primary function of a cartridge in a firearm?
What is the determining factor for classifying a cartridge as either rimfire or centerfire?
What is the determining factor for classifying a cartridge as either rimfire or centerfire?
What is the role of the primer powder in a cartridge?
What is the role of the primer powder in a cartridge?
What is the purpose of loading the entire cartridge into a firearm?
What is the purpose of loading the entire cartridge into a firearm?
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What is the relationship between the cartridge and the firearm's firing pin?
What is the relationship between the cartridge and the firearm's firing pin?
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Why is it essential to dry bloody clothing before packaging?
Why is it essential to dry bloody clothing before packaging?
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What is the primary purpose of using individual evidence labels?
What is the primary purpose of using individual evidence labels?
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Why are firearms typically packaged in a cardboard box?
Why are firearms typically packaged in a cardboard box?
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What is the primary advantage of recording all evidence in a log?
What is the primary advantage of recording all evidence in a log?
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Why are paper bags preferred for packaging bloody clothing?
Why are paper bags preferred for packaging bloody clothing?
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Study Notes
Cartridges
- A cartridge is a metallic casing that contains a bullet, primer powder, and gunpowder.
- The entire cartridge, including the unspent bullet, is loaded into firearms.
Classification of Cartridges
- Cartridges are classified as either rimfire or centerfire.
- The classification depends on where the firearm's firing pin strikes the outside of the cartridge case.
- Rimfire cartridges are struck along the rim, while centerfire cartridges are struck in the center.
Handling and Preserving Evidence
- All evidence is recorded in the evidence log.
- Evidence is labeled with individual evidence labels to ensure a proper chain of custody.
- Bloody clothing should be dried first before packaging.
- Bloody clothing is packaged in a paper bag.
- Firearms are packaged in a cardboard box or bagged.
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Description
Learn about the components of a cartridge, including the bullet, primer powder, and gunpowder. Understand the difference between rimfire and centerfire cartridges and how they are loaded into firearms.