<Tr> <Td> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> </Td> </Tr> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> <P> The Medellín Cartel was a ruthless, highly organized and much - feared Colombian drug cartel originating in the city of Medellín, Colombia . The drug cartel operated throughout the 1970s and 1980s in Bolivia, Colombia, Central America, Peru, and the United States, as well as in Canada and Europe . It was founded and run by Ochoa Vázquez brothers Jorge Luis, Juan David, and Fabio, together with Pablo Escobar, George Jung, Ishaq Velasco, Carlos Lehder and José Gonzalo Rodríguez Gacha . By 1993, the resistance group, Los Pepes (or PEPES), controlled by the Cali Cartel, and the Colombian government, in collaboration with the Cali Cartel, right - wing paramilitary groups, and the United States government, had dismantled the Medellín Cartel by imprisoning or assassinating its members . </P> <P> At the height of its operations, the Medellín Cartel smuggled tons of cocaine each week into countries all over the world and brought in up to $60--100 million daily in drug profits . For a time, the Medellín Cartel supplied at least 96% of the United States and 90% of the global cocaine market . </P>

Who was the head of the medellin cartel
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