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24 Cards in this Set
- Front
- Back
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4 types of evidence |
Testimonial, documentary, demonstrative, physical |
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Testimonial evidence |
Information obtained through interviewing and interrogating individuals about what they saw,heard,or know |
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Documentary evidence |
Written material,audio recording,and video |
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Demonstrative evidence |
Mockups and scale models of objects and clearly what they are unable to view personally |
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Physical evidence |
Anything real that is which has substance that help establish the facts of case.it can be seen touched smelled or tastes |
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How must a crime be proven |
By independent investigation and physical evidence |
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2 types of physical evidence |
Direct and indirect |
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Direct evidence |
Establish proof of a fact without any other evidence |
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Indirect evidence |
Merely tends to incriminate a person's for instance a suspect footprints found a the crime scene |
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Circumstantial evidence |
Evidence from which inferences are drawn |
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Trace evidence |
Extremely small items such as hair or fibers |
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Prima facie evidence |
Evidence established by law |
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Associative evidence |
Links a suspect with a crime examples are fingerprints,footprints,bloodstains, Hairs and fiber |
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Corpus delicti evidence |
Established that a crime has been committed (body of the crime) |
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Probative evidence |
Is vital to the investigation or prosecution a case tending to prove or actually proving guilt or innocence |
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Exculpatory evidence |
Physical evidence that clears one blame |
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CSI |
Is specialist in organized scientific collection and processing of evidence |
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Contamination |
When anything is introduced to the scene that was not originally there |
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Cross contamination |
Allowing items of evidence to touch one another and thus exchange matter |
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Integrity of evidence |
Refers to the requirement that any item introduced in court must be in the same condition as when it was found at the crime scene |
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Chain of custody |
Documentation of what has happened to the evidence from the time it was discovered until it is needed in court including every person who has custody of the evidence and why |
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Standard of comparison |
Is an object measure or model with which evidence is compared to determine whether both came from the same source E.g. fingerprints are the most familiar evidence that requires a standard of comparison |
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What are the most common error in collecting evidence |
Not collecting enough of the sample Not obtaining standard of comparison Not maintaining the integrity of the evidence |
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How to packed hairs and fibers |
It is often placed in paper that is folded using a druggist fold so that the evidence cannot fall out |
