presentation for my Criminal Investigation's class

1. Criminal Investigation
Chris Welsh
Taylor Sobotta
Mariah Zwart
Evan Smith

2. SKETCHING

3. Crime Scene Sketching
• Important things to remember
– Approx. location of evidence
– Overall measurements of room
– Finding north
– Labeling what is what (exp. Cabinets, table, couch)

4. Why do a crime scene sketch?
• Helps create a mental picture that a picture
might not.
• Gives exact measurements of the scene.
• Helps give a permanent record of scene.
• Helps assist people.
– Interview and interrogation tactics.
– present the case in court.

5. Two types of Sketches
1. Rough Sketch
2. Finished Sketch

6. Rough Sketch

7. Stairwell(landing)
Stairwell (steps)
Inside room
Living Room
Door
Table
Copy
Machine
Cabinet Fridge
Counter
Couch
12 Foot, 8 Inches
Blood
6 Foot, 2 Inches
5Foot,8Inches
8foot,9Inches
North

8. Cabinet
Fridge
Copy
Machine
Door
Countertop
Couch
Table
Blood
Knife
Styrofoam Cup
Kleenex
Marlboro 100’s
Cigarette
Cocaine
12 Foot, 8 Inches
8Foot,4Inches

9. EVIDENCE CUSTODIAN

10. Butter knife
• Bloody knife taken from top of cabinets in
kitchen
• Important to the case: weapon used for
stabbing and covered in blood
• Blood on the butter knife were from Kevin
Tuppert
• Fingerprints on the knife were from Kevin
Tupper, Shannon Hammons and Heather
Schoenwolf

11. Marlboro 100’s
• Taken from the floor of the kitchen
• Important to the case: fingerprints letting us
know who was in the apartment
• Kevin Tupper’s fingerprints on the box

12. Cigarette
• Cigarette found on the kitchen floor
• Important to the case: fingerprints letting us
know who was at the apartment
• Shannon and Heather’s fingerprints on the
cigarette.

13. Bloody Tissue
• Bloody tissue found on the couch
• Important to the case: find out who’s blood is
on the tissue/couch
• Kevin Tupper’s blood on the tissue

14. Bloody Footprint
• Bloody footprint in doorway
• Important to case: find out imprint of boots
and who was in the apartment
• Kevin Tupper’s blood found on footprint

15. Bloody Footprint
• Bloody footprint found on top of stairs leading
out of the apartment
• Important to the case: evidence to see who
was at the apartment/leaving the apartment
• Brandon Ayers blood on footprint

16. • Photo #1
An overall photo of the outside of the crime
scene showing Brandon Aryes’ pool of blood.

17. • Photo 7, marker 1
Close up view of Brandon Aryes pool of blood
outside.

18. • Photo 8, marker 2
A midrange photo of Brandon Aryes’ (I think)
bloody footprint above the stairs leaving to go
outside

19. • Photo 10, marker 3
Midrange view in the doorway before entering
the apartment of Brandon Aryes’ (I think)
bloody footprint.

20. • Photo 4
An overall photo of the first look in the
apartment.

21. • Photo 30, marker 20
Midrange photo of the couch covered in Kevin
Tupper’s blood

22. Evan Smith
Fingerprint/DNA Analysis

23. • Brandon Ayers (A, A.a, A.b)
• Derek Evans (B, B.a, B,b)
• Kevin Tuppert (C, C.a, C.b)
• Shannon Hammons (D, D.a, D.b)
• Heather Schoenwolf (E, E.a, E.b)
• Amy Wedeking (F, F.a, F.b)
Tested Subjects

24. • Tested for DNA
• Matched Subject (A.a, Brandon Ayers)
Item #2 Bloody Footprint

25. • Tested for DNA
• Matched Subject (C.a, Kevin Tuppert)
Item #3 Bloody Footprint

26. • Tested for Latent Prints
• No prints developed
• Tested for DNA
• Matched Subject (C.a, Kevin Tuppert)
Item #13 Marlboro 100’s

27. • Tested for Latent Prints
• Matched Subjects (D, Shannon Hammons)
and (E, Heather Schoenwolf).
• Tested for DNA
• Mixed profile developed but too weak for
comparison
Item #14 Styrofoam Cup

28. • Tested for DNA
• Matched Subject (C.a, Kevin Tuppert)
Item #17 Blood

29. • Tested for Latent Prints
• 2 partial prints matching subjects (D, Shannon
Hammons) and (E, Heather Schoenwolf).
• Tested for DNA
• Matched subjects (D.a, Shannon Hammons) and
(E.a, Heather Schoenwolf)
Item #18 Cigarette

30. • Tested for DNA
• Matched Subject (B.a Derek Evans)
Item #19 Blood

31. • Tested for DNA
• Matched Subject (C.a, Kevin Tuppert)
Item #20 Bloody Tissue

32. • Tested for Latent Prints
• Matched Subjects (C, Kevin Tuppert), (D, Shannon
Hammons) and (E, Heather Schoenwolf).
• Tested for DNA
• Matched Subject (A.a, Brandon Ayers)
Item #24 Knife