U.S. flag

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

What Every Law Enforcement Officer Should Know About DNA Evidence

Investigators and Evidence Technicians

Dried Saliva (continued)

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

Image of technician using swab to collect evidence
National Institute of Justice (NIJ) (see reuse policy).

Collection Procedures for Dried Saliva (continued)

  • The interior and exterior area of a bite mark should be swabbed with new sterile swabs slightly moistened with distilled water
  • Separate swabs should be used for the interior and exterior of the bite mark, and the swabs should be labeled
  • Air-dry the swabs and package them separately in labeled paper envelopes
  • Do not use plastic bags or containers
  • Store the evidence as cold as possible

Back Forward