These government and agency websites offer forensic science information with graphics that could be useful for your presentation.
Selected FBI pages are below. (Note: free websites like these will not offer APA citations, like library databases do.)
These library databases offer professionally produced streaming videos, with citations.
You could perhaps add a short clip to your presentation. These databases will help you create a citation.
Use sites like these to find animations and graphics to dress up your presentations. Make sure to cite them, of course.
Advanced Search:Use Advanced Search to get better results. You can also search for Images and Videos. Limit your search to government sites by adding site:gov, or to college and university sites with site:edu.
Public Library of Science:http://www.plos.org/
Online journal with scholarly scientific and medical articles from "nonprofit organization of scientists and physicians committed to making the world's scientific and medical literature a freely available public resource."
These search engines will not track your searches.