Evidence Chapters 3 & 8. Types of Evidence 2 types exist Testimonial Physical.
Do Now: Which is more reliable; testimonial evidence or evidence found in this picture?
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Transcript of Do Now: Which is more reliable; testimonial evidence or evidence found in this picture?
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Do Now:1. Which is more reliable; testimonial evidence
or evidence found in this picture?
2. Looking at thispicture, what step(s) has the officer completed?How do you know?
Objective: SWBAT explain how to approach the initial investigation
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ANNOUNCEMENTS Notebook set up Wednesday Notebook checks Thursday (AVID Kids)
Advice Contract Name tag Objectives Do now exit tickets 1/24, 1/27-1/30 7s foldable
Quiz on Monday
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Exit Ticket
Remember this is done individually and silentlyComplete sentences for each questionBecause you are writing in complete sentences you do notneed to write the question
1. What could happen if the 7s was done out of order?2. What may happen if the first officer on the scene forgot to
secure the scene?3. Why is testimonial evidence unreliable?
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Review Forensic Science Locard Exchange Principle Example 7s in order 1s 2s
4
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Secure the Scene Why????
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Separating the Witness Why????
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Scanning the Scene Looking over the area
Primary crime scene- Secondary crime scene- example
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Scanning the Scene Looking over the area
Primary crime scene- where the incident occurred
Secondary crime scene- any place that may be connected to the scene
example
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Seeing the scene
“Seeing” the sceneDone by the photographer
take picturesmake videos
WHY?
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Sketching the scene Record of the crime scene Helps with interrogating a suspect Help with proving the guilt of a suspect Serve as a mental picture for those not
present on the scene
Two types of Sketches:
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Sketching the Scene A rough sketch on the scene An final sketch in the lab
WHY?
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Evidence is measured from 2 immovable objects
Draw as quickly and as accurately as possible
Make a legend: case #, time, location and sketcher’s name, key
Rough Sketch
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Crime SceneSketch
13
A. Couch/sofa
B. Female body
C. Knife
D. Over turned Lamp
E. Chairs
F. Table
G. Fireplace
cD
E
EE
EE
A G
F
Case Number: 012812-01Sketcher’s Name: Tim MooreLocation: 4358 Rockledge Dr-master’s bed roomDate and Time: January 28, 2014 11:35 am
NW E
SKEY:
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Sketch
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Seeing the seevs.
Sketching the scene
What information may be included in a photo and not a sketch ?
What information may be included in a sketch and not a photo ?
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Review
What is the definition of Forensic Science?
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Review
Give an example of the Locard Exchange Principle?
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ReviewPredict what could happen if we did not complete the 1st “s”?
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Review
What is the function of the photo and sketch of the scene?
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Review
Is a sketch more , less or equally as important as a photo? Why?
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Review
10 seconds to
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Exit Ticket
1.What are the first 4 S’s in order?2.Why are photos of the crime scene
important?3.Why is it important to measure the
evidence from two immovable objects?