List and discuss the significance of at least four types of physical evidence

What will be an ideal response?


Possible answers include:
a) Fingerprints — No two people have the same fingerprints. Eight possible patterns are possible. When a person grasps an item with reasonable pressure, grease oozing form the pores under the ridges leave latent fingerprints
b) Blood — DNA profiling uses genetic material to identify individuals. No two people have the same DNA structure, except for identical twins
c) Saliva, semen and skin — All are unique to individuals. The National DNA Index System (NDIS) is a database of approximately 600,000 offenders. It enables states to exchange profiles and comparisons
d) Weapon —When a weapon is fired, the bullet picks up tiny imperfections of the bore as it passes through. Scratches are caused by the imperfections in the lands and grooves placed in the barrel at the time of manufacture and caused through use. These marks enable experts to determine which rounds are fired by the same gun. The science of ballistics deals with the motion of bullets. The make of a weapon, determined by riflings

Criminal Justice

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What will be an ideal response?

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Indicate whether the statement is true or false

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Fill in the blank(s) with the appropriate word(s).

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What will be an ideal response?

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