Criminal Justice 2011 Chapter 2: The Crime Scene: Field Notes, Documenting, and Reporting Criminal Investigation The Art and the Science by Michael D. Lyman Copyright 2011 CHAPTER SUMMARY 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. Learning Objectives After this lecture, you should be able to complete the following Learning Outcome 2.1 Explain the ways that field notes can be used to assist the investigator in the preparation of his or her report. 2.1 Field Notes Investigators must take DETAILED notes Photo placeholder 2.1 Field Notes The time to take notes… As the events occur Photo placeholder 2.1 Field Notes Police reports are derived from notes taken at the scene… Photo placeholder 3.4 Field Notes Notes should contain… Who is involved What happened When did it occur Where did it occur What was the motivation How did it happen The elements of the offense A sketch of the scene if appropriate 2.1 Field Notes Victim Suspect Witnesses Reporting Persons and Others involved Learning Objectives After this lecture, you should be able to complete the following Learning Outcome 2.2 Learn the proper structure of the report. 2.2 The Police Report Structure and Format Photo placeholder 2.2 The Police Report List of all evidence Statements made by victims, witnesses and suspects How the suspect was identified Names, DOBs, addresses, phone numbers of all involved Learning Objectives After this lecture, you should be able to complete the following Learning Outcome 2.3 Explain the proper methods of crime scene photography and preservation of photographic evidence. 2.3 Crime Scene Photography Relevant Authenticated 2.3 What to Photograph What happened Where did it happen How did it happen What specifically was involved 2.3 Learning Objectives After this lecture, you should be able to complete the following Learning Outcome 2.4 Understand how to properly capture the crime scene on digital video. 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 Learning Objectives After this lecture, you should be able to complete the following Learning Outcome 2.5 Understand the usefulness of the rough and finalizing the crime scene sketch. 2.5 Steps to Create a Crime Scene Sketch Measure the scene Locate the items to be included Create a rough sketch Complete a scaled diagram 2.5 Photo placeholder 2.5 Photo placeholder 2.5 Different Measuring Methods for the Crime Scene Sketch Coordinate Triangulation Baseline Using laser stations 2.5 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 Computer Programs Photo placeholder CHAPTER SUMMARY 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.