1. The Forensic Team

2. The Forensic Team Includes Experts in the Following Areas:
Death investigator
Forensic Photographer
Body Evidence: bullet wounds and residue
Surrounding scene evidence: hairs, fibers, blood, DNA, fingerprints and much more
Evidence Remote from the Scene: Telephone calls and documents

3. Fingerprints Latent fingerprints are left at most crime scenes
Fine dust will adhere to the oils left behind by the print

4. Types of Fingerprints

5. Seven major fingerprint types
Arch

6. Central Loop

7. Composite

8. Double Loop

9. Lateral Loop

10. Loop

11. Tented Arch

12. Whorl

13. Forensic Odontologist
All teeth are unique to each person
Difficult to destroy

14. DNA and the Crime Scene Saliva Hair Blood Any Bodily Fluids
Any body tissue

15. What type of DNA Is it human DNA?
Is it a mixture of perpetrator and victim DNA?
Fingernail scrapings could contain fungal or bacterial DNA
Hair could be from pets

16. Gel Electrophoresis A banding pattern is created in a gel
All human DNA is less than 1% different
It is possible that 2 different people could have the same banding pattern but different DNA
Identical Twins

17. Problems with DNA Evidence
Gels stretch and alter the results
Mixed DNA samples cloud the results
Possible false positive Matches
Partially degraded DNA
DNA samples are mixed up at the crime lab
DNA collected improperly at the crime scene

18. Firearms Examiner Concentrates on 4 features Bullets Shell Casings
Gunshot powder residue
The Weapon itself

19. Key Questions in Gunshot Wound Deaths
Wound size relation to range, direction, and type of bullet
Determine range of shooting from wound
Determine position of victim and source of gunfire
With multiple wounds which happened first

20. Comparing the Lands and Grooves of 2 bullets
Each weapon has its unique pattern of riffling

21. Gunshot residue Test
Primer and powder is deposited on the hands of anyone who fires a firearm

22. Hair/Fiber Analysis