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.