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Who established the comparison microscope as the indispensable tool of the modern firearms examiner?
The manner of collecting and preserving physical evidence at a crime scene is determined by:
the nature of the evidence
All of the following items may be placed in an airtight container except:
Charred debris recovered from a fire
Hairs and fibers
Evidence of tampering with the position of a body after death can be obtained by evaluating the:
The likelihood of finding class physical evidence is ____ the likelihood of finding physical evidence with individual characteristics:
Stress marks on the edge of a radial crack near the point of impact are:
Parallel to the side on which the force was applied
The change in refractive index upon annealing tempered glass is ____ the change in refractive index upon annealing untempered glass:
A fiber whose microscopic appearance includes being ribbon like in shape with twists at irregular intervals is:
Which property imparts paint with its most distinctive forensic characteristic?
In determining whether a hair sample originated from a male or female, the MOST important consideration is:
result of DNA analysis from root structure
A police officer performs a field test on a white powder, obtaining a purple color. The most likely drug present is:
The ability to make a positive ID of a drug using UV spec is ____ the ability to make a positive ID using IR spec
The marquis reagent was used on drug evidence and it turned purple. The drug being tested could be:
either a or b
Which instrumentation is considered the most sensitive and reliable for detecting and characterizing flammable residues?
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