wildlife forensic science · wildlife forensic science the role of the national fish and wildlife...
Post on 19-Feb-2019
216 Views
Preview:
TRANSCRIPT
10/19/2011
1
Wildlife Forensic Science
The Role of the National Fish and Wildlife Forensic Laboratory in
Wildlife Prosecutions
Ken Goddard and Edgard EspinozaNational Fish and Wildlife Forensic Lab., Ashland, OR
Thursday Oct. 20, 2011
~600 BC
~100 AD
~500 BC
~950 BC
10/19/2011
3
The F&W Forensic Lab:
Determine cause of death
Identify evidence Wildlife parts, bullets, latent prints, etc.
Link: Victim
Suspect
Crime Scene
Search digital evidence
Lab Organization
Dire
ctor
(K
en G
odda
rd)
Dep. Director (Ed Espinoza)
Morphology (Barry Baker)
Chemistry (Mark Kirms)
Digital Evidence (Brian Horne)
Pathology (Tabitha Viner)
Genetics (Mary Curtis)
Criminalistics (Ed Espinoza)
Admin Branch (Darrell Hegdahl)
10/19/2011
4
Scientific Disciplines at the Lab
Veterinary Pathology
Morphology
Genetics
Chemistry
Criminalistics
Digital Forensics
All Crime Labs:
Identify evidence
Link: Victim
Suspect
Crime Scene
10/19/2011
5
By country of origin
and characteristicsfound on the entire animal
The commonly occurring species-defining characteristics are typically not presenton wildlife parts and products seized as evidence
10/19/2011
6
Forensic analysis is not needed...
But wildlife officers typically seize wildlife parts and products
10/19/2011
7
All Crime Labs:
Identify evidence
Link: Victim
Suspect
Crime Scene
Also known as Individualization
At the crime scene there is a contact between(Locard’s Exchange Principle)
10/19/2011
8
Like All Crime Labs . . .
• Attempt to link
Crime Scene
Victim
Suspect
Wildlife Forensic Analysis:
Class Characteristics (~80%) ~4629 Mammal species
~9600 Bird species
~12000 Reptile and amphibian species
Individualization (~20%)
80%
20%
10/19/2011
9
Examples of Cause of Death Determinations
Veterinary Necropsy Protocol
Whole body x-rays, two views
Photograph evidence as received with identification numbers and scale
External examination, +/- alternative light source
Partially or completely skin carcass
Internal examination
Compose report of findings
10/19/2011
32
Bullet Matches Suspects Weapon
Comparison of an Expended Bullet against a Known test fire
expended bulletfrom crime scene
test-fired bullet from known weapon
Individualization using firearms tool marks
10/19/2011
33
Visualizing and Matching Latent Fingerprints
Individualization using latent prints
Individualization using Genomic DNA
Determination of individuality (i.e. crime scene sample and clothing stain are from the same individual)
10/19/2011
34
Carcass at Crime Scene
Tissue to Lab
To Lab
DNA
Results: Match
Head taken from Suspect
Current Individualization Capabilities
Black Bear
Brown Bear
Elk
White-tailed Deer
Mule Deer
Moose
Wolf
10/19/2011
36
Video Enhancement for Grand Jury
OUTREACH:Over 7 million web hits in FY2011
0
1,000,000
2,000,000
3,000,000
4,000,000
5,000,000
6,000,000
7,000,000
8,000,000
FY 2008 FY2009 FY2010 FY2011
Feather Atlas
Lab Wide
top related