1. 1 © 2012 Elsevier, Inc. All rights reserved. Chapter 4.3 Recording the Scene Sketching, Photography, and Video

2. 2 © 2012 Elsevier, Inc. All rights reserved. Figure 4.3.1 Techniques for measuring at a crime scene: (a) rectangular with baseline; (b) triangulation; (c) polar coordinates; (d) continuous.

3. 3 © 2012 Elsevier, Inc. All rights reserved. Figure 4.3.2 A rough hand sketch of a crime scene.

4. 4 © 2012 Elsevier, Inc. All rights reserved. Figure 4.3.3 A two-dimensional scale diagram of a crime scene.

5. 5 © 2012 Elsevier, Inc. All rights reserved. Figure 4.3.4 A three-dimensional diagram of a crime scene.

6. 6 © 2012 Elsevier, Inc. All rights reserved. Figure 4.3.5 A three-dimensional diagram of a crime scene showing a theory of the crime.

7. 7 © 2012 Elsevier, Inc. All rights reserved. Figure 4.3.6 A three-dimensional diagram of a crime scene showing a theory of the crime.

8. 8 © 2012 Elsevier, Inc. All rights reserved. Figure 4.3.7 Homicides in Washington, D.C., from November 2004 to November 2006. Source: Metropolitan Police Department.

9. 9 © 2012 Elsevier, Inc. All rights reserved. Figure 4.3.8 Portable gear for geographic information mapping (a GPS and laser rangefinder) and data collection (computer, in hand). Source: Wikimedia Commons.