Unit 3 Case Study_brenda.pptx

Unit 3 Case Study_brenda.pptx - Unit 3 Case Study...

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Unit 3 Case Study: Preservation and Collection of Evidence Brenda hernandez
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contamination and cross contamination contamination post-crime transfer of material to or from evidence. cross-contamination allowing items of evidence to touch one another and thus exchange matter.
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Describe what a standard of comparison is and create a fictitious scenario where you might need one for evidentiary value. Please provide sufficient detail in your scenario to justify the use of a standard of comparison. A standard of comparison is an object, measure, or model with which evidence is compared to determine whether both came from the same source. Fingerprints are the most familiar example of evidence requiring a standard of comparison. A group of teens 16-18 years old broke in a store and left a few of fingerprints in the door and found a fingerprint in a broking bottle they left behind.
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Imagine that you discover a sheet with what appears to be blood and semen on it at a crime scene. Describe the collection, storage and
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  • Winter '17
  • Forensic Science, Forensic evidence, Bloodstain pattern analysis, Brenda Hernandez

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