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Ellis- Forensics Cycle 2
Evidence & Crime Scene Terms (Ch 2 and 3)
16
Criminology
12th Grade
09/27/2012

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Cards

Term
evidence
Definition
something that either proves or disproves a fact.
Term
testimonial evidence
Definition
what is said in court by a witness under oath.
Term
prima facie
Definition
another term for direct evidence or testimonial evidence
Term
physical evidence
Definition
actual objects that prove/disprove a fact (also called real evidence)
Term
indirect evidence
Definition
evidence that can only provide an inference, not prove/disprove a fact.
Term
circumstantial evidence
Definition
evidence based on suggestion.
implies a fact without actually proving it.
Term
unknown sample (questioned sample)
Definition
material collected from a known location but of unknown origin.
Term
control sample (known sample)
Definition
material that comes from a proven or known source.
Term
individual evidence
Definition
material that can be traced to a single source.
it can be compared to something for verification.
Term
class evidence
Definition
material that can be associated with a group/category of items that share the same properties.

ex. blood type
Term
probative value
Definition
the ability for evidence to prove something that is material to the crime. (usefulness of the evidence)
Term
crime scene
Definition
any place where evidence may be located to help explain the events of a crime
Term
modus operandi (M.O.)
Definition
the characteristic method of operation of a criminal.
Term
Ways to Document the Crime Scene
Definition
Notes
Photographs
Video
Sketches
Observations
Term
How to search for evidence
Definition
Use a grid search, or spiral search pattern
Term
chain of custody
Definition
a written record of all people who have had possession of that piece of evidence.
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