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24 Cards in this Set
- Front
- Back
True or False: Testimonial evidence is more reliable than physical evidence.
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False.
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The reliability of a competent witness depends on...
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(all the above) type of crime, age, and interviewing techniques.
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What is Testimonial Evidence?
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What is said in court by a competent witness, also called direct evidence.
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List five types of physical evidence.
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Drugs, alcohol, blood, fiber, and hair.
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Explain how class evidence is helpful.
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It can narrow down the list of suspects until there are few suspects.
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True or False: Individual evidence has more probative value than class evidence.
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True.
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The significance of the Ronald Cotton Case is...
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it demonstrated the fallibility of eyewitness accounts.
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Why is class evidence important?
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If evidence has class characteristics it can exonerate innocent suspects.
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Explain the difference between testimonial evidence and physical evidence.
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Testimonial evidence is what is said in court by a competent witness, physical evidence is any object or material relevant to a crime.
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Why is physical evidence important and what can it prove?
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Physical evidence can prove a crime has been committed and key elements of the crime, can link a suspect or victim to crime or crime scene, and can support or refute testimonial evidence in court.
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True or False: Individual evidence can have probative value.
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True.
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A known or control sample comes from...
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A known suspect.
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What are some common types of physical evidence?
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(Both lists) Anything found at the crime scene.
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What is the difference between class evidence and individual evidence?
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Class evidence narrows down the list of suspects, individual evidence is traced to a single source.
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What can affect the witness' reliability?
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Age, prior relationship to the accused, and the time between crime and interview can affect the witness' reliability.
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True or False: A particular fiber can be matched with certainty to a piece of fabric.
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False.
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Physical evidence is considered...
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Indirect evidence.
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How can class evidence be used to narrow down a list of suspects?
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Probabilities can be multiplied together and more evidence can make it stronger.
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What is the significance of the Ronald Cotton case?
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It demonstrated the fallibility of eyewitness accounts.
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What is a control sample? Where can it be found? What does it mean in a laboratory context?
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A sample in which it's origin is known. From a known victim or suspect. A sample to compare and use as a baseline.
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True or False: Class evidence can have probative value.
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True.
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A question or unknown sample...
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comes from the crime scene.
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If a forensic scientist can piece together broken pieces from a bottle used as a weapon it is...
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individual evidence.
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How is circumstantial evidence different from physical evidence?
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Circumstantial evidence implies a fact, physical evidence proves a fact.
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