Investigations Basic Concepts
Two Types of Investigations
Proactive
Intelligence Gathering (surveillance, statistical analysis and infiltration
Raids or Stings
Reactive
Searching
Interviewing
Collecting
Processing
Deep Searching
Preliminary Investigation by FRO
Follow-Up Investigation by FRO, Detective, etc.
Principles of Evidence Collection
Evidence is Collected Legally

Principles of Evidence Collection
Evidence is Not Contaminated
Principles of Evidence Collection
Evidence is Packaged Properly
Principles of Evidence Collection
Chain of Custody is Maintained
Principles of Evidence Collection
Scenes are Searched Thoroughly
Principles of Evidence Collection
Evidence is Delivered to Court
Types of Evidence
Physical
Testimonial
Demonstrative
Electronic
http://legal-dictionary.thefreedictionary.com/Exclusionary+Rule
http://news.bbc.co.uk/2/hi/uk_news/1019682.stm
http://people.howstuffworks.com/police-dog.htm
http://www.dna.gov/audiences/victim/know/preservation
http://www.fbi.gov/hq/lab/fsc/backissu/oct1999/trace.htm
http://www.doj.state.wi.us/dles/crimelabs/physicalEvidenceHB/
http://en.wikipedia.org/wiki/Chain_of_custody
http://www.epa.gov/apti/coc/