ASM 275 Lecture 15: ASM 275 Module 15 Lecture Notes.docx
14 Nov 2014
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Document Summary
Week 3: crime scene analysis, trauma and taphonomy. Is a measure of size and refers to the diameter of a bullet and/or the barrel of a handgun. Caliber is generally measured in hundredths of an inch, although today many are measured via millimeters. Common calibers are . 22, . 357, . 45, 9mm, etc: gauge. Measures the maximum weight of a lead ball that would fit down the barrel of a shotgun. A 10 gauge shotgun would allow a ball weighing a tenth of a pound down the barrel, a 12 gauge, a 12th of a pound: bullets themselves are described based on their: Jacketing: profile, refers to the shape of the bullet tip, most rifle bullets are sharp point, blunt bullets (used to describe round and flat-tipped) are usually found in handguns, hollow points have an indentation in their tips. These can cause enormous exit wounds as they are designed to expand on impact. Solid lead, which is heavy and deforms easily.
