It would seem that he did so to avoid prosecution for illegal activities:
http://www.cbsnews.com/news/authorities-...t-suicide/
Quote:The Gwinnett Daily Post reports that agents from the U.S. Food and Drug Administration, aided by the Georgia Drugs and Narcotics Agency, raided the Bradstreet Wellness Center last week. The FDA did not reveal to the paper why agents had searched Bradstreet's office.
http://www.cbsnews.com/news/authorities-...t-suicide/
"A wise man ... proportions his belief to the evidence."
— David Hume, An Enquiry Concerning Human Understanding, Section X, Part I.