1. 09.29.15 Catalyst What search pattern would be best to find a missing pacifier at Lake Harriet?
Objective – I will identify the proper way to collect evidence.

2. The week… 09.28 – CSI Case 2 09.29 – Evidence Collection
09.30 – Evidence Handling
10.01 – Begin Case Study Project
10.02 – Case Study Project Day 2

3. Evidence Collection

4. Outline Procedure is essential Standard Protocol Evidence Collection
Labeling Evidence
Chain of Custody

5. Procedure is essential
doubt
appropriate collection and preservation
a clear record of everything

6. Standard Protocol prevent loss or damage to the evidence. Gloves
changed between pieces of evidence

7. Evidence Collection Glass and metal - Hair, fibers and small pieces –
rigid containers
prevents changes to the evidence from breaking or wear.
Hair, fibers and small pieces –
small manila envelope or sealed in plastic if no body fluids are present.
Body fluids
air-dried
collected in porous containers (such as paper bags) to prevent damage to the evidence from the formation of mold.

8. Evidence Collection Cont.
Arson Investigations
Accelerant?
air-tight container to prevent loss of the accelerant due to evaporation.
does not seal tightly or is much too large.

9. Labeling Evidence
Each label must include at least the following items:
Name of collector
Date of collection
Time of collection
Description of Evidence
Many agencies require more such as case and badge numbers.

10. Chain of Custody
Record kept that tells who possessed the evidence, and the dates involved.

11. Evidence Collection…
Who’s responsibility is it to collect evidence?

13. Catalyst What
Objective – I will identify the proper way to collect evidence.

14. Evidence Walk On your piece of paper make two columns.
First column – description of evidence
Second column – type of container you would use to collect it.