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Criminal Justice 2011
Chapter 2:The Crime Scene:
Field Notes,Documenting, and Reporting
Criminal InvestigationThe Art and the Science
by Michael D. LymanCopyright 2011
2.1 Explain the ways that field notes can be used to assist the investigator in the preparation of his or her report.2.2 Learn the proper structure of the report.2.3 Explain the proper methods of crime scene photography and preservation of photographic evidence.2.4 Understand how to properly capture the crime scene on digital video.2.5 Understand the usefulness of the rough and finalizing the crime scene sketch.
CHAPTER SUMMARY
Explain the ways that field notes can be used to assist the investigator in the preparation of his or her report.
Learning ObjectivesAfter this lecture, you should be able to complete the following Learning Outcome
2.1
Field Notes 2.1
Investigators must take DETAILED notes
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Field Notes 2.1
The time to take notes… As the events occur
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Field Notes 2.1
Police reports are derived from notes taken at the scene…
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Who is involved
What was the
motivation
How did it happen
The elements of the offense
A sketch of the scene ifappropriate
What happened
When did it occur
Where did it occur
Notes should contain…
Field Notes 3.4
Field Notes 2.1
Victim Suspect Witnesses
Reporting Persons and
Others involved
Learn the proper structure of the report.
Learning ObjectivesAfter this lecture, you should be able to complete the following Learning Outcome
2.2
The Police Report 2.2
Structure and Format
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The Police Report 2.2
List of all evidence
Statements made by victims,
witnesses and suspects
How the suspect was identified
Names, DOBs,
addresses, phone
numbers of all involved
Explain the proper methods of crime scene photography and preservation of photographic evidence.
Learning ObjectivesAfter this lecture, you should be able to complete the following Learning Outcome
2.3
2.3
Crime Scene Photography
Authenticated Relevant
To be admitted into evidence… Photographs must be
What to Photograph 2.3
What happened
Where did it happen
How did it happen
What specifically
was involved
2.3
Example of a Photo Log
Understand how to properly capture the crime scene on digital video.
Learning ObjectivesAfter this lecture, you should be able to complete the following Learning Outcome
2.4
2.4
Use the same basic
principles as when
photographing a scene
Do not narrate the
scene
Pan very slowly and avoid using
zoom or transition features
Understand the usefulness of the rough and finalizing the crime scene sketch.
Learning ObjectivesAfter this lecture, you should be able to complete the following Learning Outcome
2.5
Complete a
scaled diagram
Create a rough
sketch
Locate the
items to be
included
Measure the
scene
Steps to Create a Crime Scene Sketch2.5
2.5
Example of a rough sketch
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2.5
Tools for Sketching
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Using laser
stationsBaseline
Triangulation
Coordinate
Different Measuring Methods for the Crime Scene Sketch2.5
Example of the Baseline Method 2.5
Example of the Triangulation Method 2.5
Example of the Cross Projection Method 2.5
Example of the Baseline Method 2.5
Creating the Finished Drawing 2.5
Computer Programs
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2.1 Explain the ways that field notes can be used to assist the investigator in the preparation of his or her report.2.2 Learn the proper structure of the report.2.3 Explain the proper methods of crime scene photography and preservation of photographic evidence.2.4 Understand how to properly capture the crime scene on digital video.2.5 Understand the usefulness of the rough and finalizing the crime scene sketch.
CHAPTER SUMMARY