Describe the difference between compression marks and scraping marks.
Describe the proper method when using sulfur casting on a footwear impression in snow.
Describe the two methods for collecting comparison footprints from a suspect.
Describe how shotguns differ from other firearms.
Beyond determining that two rounds were fired from the same gun, what other information can be developed from firearms-related evidence?
Explain unique considerations associated with the documentation, collection and preservation of fire-arms related evidence, in relation to other forms of physical evidence collection.
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