Controlled Drug in the United Kingdom classification of medicines. Special responsibilities are placed upon pharmaceutical wholesalers, pharmacies and doctors in the stocking, distribution, issuing of prescriptions, supply and disposal of items listed under the first three of the schedules. The regulations have been further tightened since Dr Harold Shipman used diamorphine to murder hundreds of his patients during the late 20th century. Drugs which are not used medically, and thus their possession and supply is prohibited; e.g. cannabis and LSD except when licensed by the Home Office to carry out research. Substances subject to the full controlled drug requirements; e.g. diamorphine (heroin), pethidine, cocaine, methadone, methylphenidate,
Illegal drug trade the cartels. Gangs play a major role in the activity of drug cartels. MS-13 and the 18th Street gang are notorious for their contributions and influence over drug trafficking throughout Latin America. MS-13 has controlled much of the activity in the drug trade spanning from Mexico to Panama Female involvement is present in the Mexican drug culture. Although females are not treated as equals to males, they typically hold more power than their culture allows and acquire some independence. The increase in power has attracted females from higher social classes. Financial gain has also prompted women to become involved in