Diversion Investigator (DI) is the title of a specialist position within the Drug Enforcement Administration (DEA) of the United States Department of Justice. Most DIs are part of DEA's Diversion Control Program and are assigned to various DEA field offices throughout the U.S. and in several foreign countries. DIs are responsible for addressing the problem of diversion of controlled pharmaceuticals and regulated chemicals from the legitimate channels in which they are manufactured, distributed, and dispensed. The mission of a DI is to aid the U.S. pharmaceutical and chemical industries in complying with the Federal Controlled Substances Act (CSA) and other pertinent laws, as well as international treaties and conventions. DIs conduct investigations to uncover and investigate suspected sour