objective: students will be able to describe the class and individual characteristics of bullets and...
TRANSCRIPT
![Page 1: Objective: Students will be able to describe the class and individual characteristics of bullets and cartridge cases. Do Now 1.Turn in your outline/lecture](https://reader035.vdocuments.us/reader035/viewer/2022081602/5519eddd55034646588b459c/html5/thumbnails/1.jpg)
Objective: Students will be able to describe the class and individual characteristics of bullets and
cartridge cases.
Do Now
1.Turn in your outline/lecture.2.What is rifling?3.How are striations formed?4.What information can a
cartridge casing give?
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Students will be able to explain how breech marks, firing pin marks, ejector marks, striation and rifling patterns are used as class and individual evidence.
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How its caused?What can it lead to?
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Firing Pin MarkBreech MarkEjector MarkRifling (land and grooves)Striae
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Rifling
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Firing Pin Mark
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Breech Marks
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Extractor Marks
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Striation Marks
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Description Type of Evidence
What can it lead to?
How is it caused?
Word
Front and Back
Bullet caliberLands and groovesCartridge caseHead stamp
StriaeFiring pin marksBreech marksExtractor marks
illustration