Training Overview

Welcome to the Collecting DNA Evidence at Property Crime Scenes web site. This interactive training program is delivered in four modules:

1. Types of Evidence.
2. Crime Scenes.
3. Evidence Collection.
4. Combined DNA Index System (CODIS).

Those modules introduce and describe the following key concepts:

• Types of physical evidence frequently encountered at a property crime scene.
• Methods used to maintain the integrity of evidence.
• Types of crime scenes and the methods used to search and document crime scenes.
• Process used to collect, mark, and package biological evidence.
• Crime scene reporting.
• CODIS operated databases.

Suggested crime scene procedural guidelines and information to supplement the second and third modules are available in more detail in the accompanying documents:

• Crime Scene Procedures II
• Crime Scene Procedures III

Opinions or points of view expressed in this training represent a consensus of the authors and do not necessarily reflect the official position or policies of the U.S. Department of Justice.

Information addressed in this interactive training program is delivered in four modules. Select a module below to begin.