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What Every Law Enforcement Officer Should Know About DNA Evidence

First Responding Officers


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First Responding Officers

If you are a first time user, it is recommended you go through the Help section to familiarize yourself with the program.

This course focuses on issues that arise for the first-responding law enforcement officer and is intended to provide interactive training that covers basic information about the identification, preservation, and collection of DNA evidence at a crime scene. Recommended practices covered in this tutorial module may not be applicable to all situations or crime scenes. You should apply local department or agency procedures or applicable laws that govern the use, collection, and processing of DNA evidence.

Investigators and Evidence Technicians: A separate course for investigators and evidence technicians delivers more in-depth information for the investigating officer and/or evidence technician. These courses are not designed to be taken sequentially.

Opinions or points of view expressed in this report 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 nine modules. Select a module below to begin.

DNA Evidence Overview
Officer Responsibilities
Sources, Locations, and Limitations
Elimination and Reference Samples
Sexual Assault
Violent Crime