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Investigations Basic Concepts
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Investigations Basic Concepts
Proactive
- Intelligence Gathering (surveillance, statistical analysis and infiltration)
- Raids or Stings
http://legal-dictionary.thefreedictionary.com/Exclusionary+Rule
http://www.fbi.gov/hq/lab/fsc/backissu/oct1999/trace.htm
http://www.dna.gov/audiences/victim/know/preservation
Principles of Evidence Collection
- Evidence is Collected Legally
http://people.howstuffworks.com/police-dog.htm
http://news.bbc.co.uk/2/hi/uk_news/1019682.stm
Principles of Evidence Collection
- Evidence is Not Contaminated
Reactive
- Searching
- Interviewing
- Collecting
- Processing
- Deep Searching
Principles of Evidence Collection
- Scenes are Searched Thoroughly
Preliminary Investigation by FRO
Two Types of Investigations
Follow-Up Investigation by FRO, Detective, etc.
Principles of Evidence Collection
- Evidence is Packaged Properly
http://www.doj.state.wi.us/dles/crimelabs/physicalEvidenceHB/
Principles of Evidence Collection
- Chain of Custody is Maintained
Principles of Evidence Collection
- Evidence is Delivered to Court
http://en.wikipedia.org/wiki/Chain_of_custody
Types of Evidence
- Physical
- Testimonial
- Demonstrative
- Electronic
http://www.epa.gov/apti/coc/
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