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Exam 3: Physical Evidence

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Question 1

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Match the word in Column 1 to its definition in Column 2. Each answer can only be used once. A)Database containing shoe prints B)Properties of evidence that can be attributed to a common source with an extremely high degree of certainty C)The process of determining a substance's physical or chemical identity D)The process for developing DNA profiles from a buccal swab in 90 minutes or less E)Properties of evidence that can be associated only with a group and never with a single source F)The process of ascertaining whether two or more objects have a common origin G)Database containing fingerprints H)Database containing ballistics information I)Database containing DNA profiles J)Formula for determining how frequently a certain combination of characteristics occurs in a population. -Comparison

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Question 2

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The greatest weakness of class evidence is that examiners cannot assign exact or even approximate probability values to the comparison of most class evidence.

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B) False

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Question 3

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The value of class physical evidence lies in its ability to corroborate events with data in a manner that is, as nearly as possible, free of human error and bias.

Use the product rule to determine the frequency of occurrence of an individual in the population exhibiting a blood sample with the following factors included:

A computerized archive of information relating to a specific type of physical evidence is a(n) :

Class characteristics are properties of evidence that can be associated only with a group and never with a single ________.

Physical evidence can be used to exonerate or exclude a person from suspicion if:

List five examples of each of the following types of physical evidence: biological materials, impressions, and manufactured items.

The corroborative use of physical evidence means that it can be used to:

Physical evidence is considered to have ________ as/than that of eyewitness (testimonial) evidence.

Juries often accord scientific evidence lesser weight than other evidence.

The value of class physical evidence lies in its ability to:

The purpose of ________ is to determine the physical or chemical identity of a substance.

Match the word in Column 1 to its definition in Column 2. Each answer can only be used once. A)Database containing shoe prints B)Properties of evidence that can be attributed to a common source with an extremely high degree of certainty C)The process of determining a substance's physical or chemical identity D)The process for developing DNA profiles from a buccal swab in 90 minutes or less E)Properties of evidence that can be associated only with a group and never with a single source F)The process of ascertaining whether two or more objects have a common origin G)Database containing fingerprints H)Database containing ballistics information I)Database containing DNA profiles J)Formula for determining how frequently a certain combination of characteristics occurs in a population. -AFIS

Evidence having class characteristics can:

Evidence having class characteristics can exonerate an innocent suspect.

The "jigsaw fit" of known and questioned fragments is important for court presentation primarily because:

Name three forensic databases and describe the type of information stored in each.

Class characteristics are properties of evidence that can be attributed to a common source with an extremely high degree of certainty.

Determining that an explosive mixture contains dynamite is an example of the process of comparison.