Narco-terrorism - Outlines the history of drug cartels in Colombia and their violent struggles with government. Terrorism-Drug Connection - Writer Mark S. Steinitz chronicles the relationship between terrorist groups, drug cartels and government agencies in Latin America's Andean region. PBS Frontline: Colombian Drug Cartels - Information on South American drug trafficking provided by a PBS news program. Mexico On The Edge: The Drug Cartel Threat - Albuquerque Journal's 1997 special report on the rise of narcotics trafficking organizations in Mexico. Drug Trafficking in Mexico - Writer Luis Astorga's in-depth assessment of the Mexican narcotics trade. Published on the web by Management of Social Transformations Program of UNESCO. Wikipedia: Medellín Cartel - Article on the history of the Colombian drug trafficking organization. Wikipedia: Pablo Escobar - Biography of the Colombian cocaine dealer who ruled the Medellin cartel.