Types of evidence Flashcards

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1
Q

subjective evidence

A

evidence that is in the form of an opinion or self-report that cannot be independently examined

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2
Q

objective evidence

A

based on facts that anyone can observe or measure

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3
Q

examples of objective evidence during criminal investigation

A

fingerprints, DNA samples, and surveillance footage

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4
Q

examples of subjective evidence during a criminal investigation

A

Hair analysis

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5
Q

what is the realationship between pulse and respiratation

A

the more the heart beats the more breathing occurs

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6
Q

how does a polygraph test work

A

measure physiological arousal factors, including heart rate, blood pressure, respiration, perspiration, and skin conductivity.

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7
Q

what is the purpose of baseline question in a polygraph test

A

to establish a baseline for your vital signs

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8
Q

how to read and understand the results of a polygraph test when comparing them to a control

A

The negative values indicate higher reaction on the relevant questions and the positive values indicate higher response on the control questions.

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9
Q

what are the three layers of a hair sample

A

medulla, cortex, and cuticle

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10
Q

how can fingerprints be used to identify a suspect

A

fingerprint analysts visually compare the latent print from the crime scene to the fingerprint of a suspect.

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11
Q

how many munitae are determined to find a finger print match

A

at least 12-15

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12
Q

how can digital evidence be used in a investigation

A

to investigate any evidence on the persons phone, text messages, email, and photos

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