Download presentation
1
Ms. Engle Forensics Class
Collection Notes Ms. Engle Forensics Class
2
Crime Scenes and Evidence
As a crime scene investigator: After a crime: First responder Give aid Interview witnesses Secure and protect the integrity of the crime scene Prevent others from disturbing the evidence
3
Documentation Photography Notes Video Taping Sketches
5
Crime Scene Search Patterns
Line method Strip method Grid method Wheel method Spiral method Zone method Link method
6
Patterns
7
When searching for evidence
Look beyond the obvious Search methodology Search Pattern Record Evidence- Chain of Custody Preventing Contamination SMID
8
Types of Evidence Various definitions: Now:
???“Animal, mineral or vegetable”??? Now: Chemical, biological or microscopic
9
Types of Evidence Expert Evidence Testimonial Evidence
In or out of court, opinions Testimonial Evidence Interviews, statements, etc. Physical Evidence Trace, blood, fibers
10
Evidence Protocols Important because: Sets a standard
Leaves little room for error Difficult to challenge
11
Collection of Physical Evidence
Get the whole object Wet Let Dry!!!! Primary AND Secondary Survey Fresh or rested eyes 2nd set of eyes Scientific-ness
12
Reconstruction of Evidence
How the act occurred base on evidence, not Skepticism Use the end result to look at the past Look at components: Crime Scene & Evidence Forensic Lab Tests Logic and Reasoning EXPERIENCE
Similar presentations
© 2025 SlidePlayer.com. Inc.
All rights reserved.