U.S. flag

An official website of the United States government, Department of Justice.

DNA - A Prosecutor’s Practice Notebook Inventory

The Integrity of the Evidence

Home  |  Glossary  |  Resources  |  Help  |  Contact Us  |  Course Map

Ignore it, it is not credible evidence.

The defense may argue:

  1. The evidence was not properly collected or preserved so you can't be certain it actually is what it has been labeled;
  2. The integrity of the evidence has been compromised by contamination and/or degradation at the crime scene or in the lab; or
  3. Factors about this lab, this DNA analyst, and/or this case should raise sufficient questions for the jury that they should disregard the evidence.

Back Forward