An official website of the United States government.

This is not the current EPA website. To navigate to the current EPA website, please go to This website is historical material reflecting the EPA website as it existed on January 19, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »

Office of Inspector General

DOJ News Release: Federal Grand Jury Indicts David P. Preston on Wire Fraud Charges

October 6, 2011

The indictment alleges that defendant obtained monies by means of material false and fraudulent pretenses, representations and promises, and by omissions of material facts.

You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.