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

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

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

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

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

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

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

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

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