Illegal drug trade in Turkey trade with Iraq due to the U.N. embargo and the Gulf War. The biggest drug cartel was led by Kurdish drug trafficker Hüseyin Baybaşin. The U.K. National Crime Squad estimated that 90% of the heroin in the United Kingdom (25–35 tonnes annually in the late 1990s) was under their control until 2002, when it had a bloody falling-out with its partners in the PKK. He settled in the U.K. after becoming an informer for the HM Customs and Excise office to reveal what he knew, as someone who traveled with a diplomatic passport, about the involvement in heroin trafficking of
Illegal drug trade the supply and demand for marijuana during this time period. Corruption in Mexico has contributed to the domination of Mexican cartels in the illicit drug trade. Since the beginning of the 20th century, Mexico's political environment allowed the growth of drug-related activity. The loose regulation over the transportation of illegal drugs and the failure to prosecute known drug traffickers and gangs increased the growth of the drug industry. Toleration of drug trafficking has undermined the authority of the Mexican government and has decreased the power of law enforcement officers in regulation over such activities. These policies of tolerance fostered the