DETROIT — Twelve individuals were charged in an indictment for their role in a significant drug distribution operation that allegedly trafficked in excess of 30 kilograms of heroin, 12 kilograms of cocaine, 1,000 pounds of marijuana and laundered in excess of $21 million. The joint investigation was conducted by U.S. Immigration and Customs Enforcement's (ICE) Homeland Security Investigations (HSI), the Drug Enforcement Administration and the Internal Revenue Service Criminal Investigation Division.