Unformatted text preview: Material Evidence is material if it pertains to the particular case that is being tried or investigated. Negative control A material, usually a matrix, that would be expected to respond negatively to a particular chemical test. Nonphysical evidence Evidence such as eye witness or expert testimony or interpretation of an analytical test. Physical evidence Evidence that consists of objects, people, or materials. Positive control A material or chemical expected to respond positively to a particularly chemical test. Probative A piece of evidence that tends to prove or disprove a fact or assertion. Real evidence Evidence generated directly from criminal activity. It is found at the crime scene or elsewhere and pertains to the crime. Relevant Evidence that is both material and probative that pertains to the case at hand and tends to prove or disprove some aspect of the case. Unknown evidence Evidence whose source or ownership is not known at the time it is discovered....
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- Fall '14
- Evidence law, evidence EVIDENCE