Official websites use .gov

A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS

A lock () or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

Home About Us Laboratory Services Forensic Science Communications Back Issues April 2002 Figure 2, Photograph of a latent lip print on cotton fabric...

Figure 2, Photograph of a latent lip print on cotton fabric developed using Oil Red O after 30 days.