The illegal drug trade or drug trafficking is a global black market and includes the growing, making, distribution, and sale of illegal drugs. While some drugs are legal to possess and sell, in most areas laws do not allow the trade of some drugs.
Trade in drugs includes many which, correctly used, have a medical function.
Those drugs often include heroin, cocaine, marijuana or others. Drug traffickers may be punished with time in prison for several years. In some countries, the crime carries the death penalty.