In 1987, worldwide opium production increased, providing a substantial supply for the illicit heroin market. The expansion of the international cocaine trade influenced the growth of cocaine trafficking and abuse with high purity levels, increased availability and lower prices. The illicit chemical drug trade found its major sources in clandestine manufacture; diversion from medical supply channels; and, to a lesser extent, illegal importation. Marijuana, hashish, and liquid hashish continued to be the most widely available and used illicit drug. The Anti-Drug Profiteering program which focused on tracing drug money flows and locating criminally obtained assets for forfeiture seized over $50 million in cash and other assets from 1983 to 1987. 49 figures.