Cali cartel boss Gilberto Rodríguez Orejuela dies in US prison

Rodriguez Orejuela, 83, was a rival of Pablo Escobar and controlled 80% of the global cocaine market

Gilberto Rodriguez Orejuela, an elderly leader of the Cali cartel - and bitter rival of Pablo Escobar - has died in a US prison, his lawyer said on Wednesday.

Sometimes known by his alias The Chessplayer,' Rodriguez Orejuela, 83, helped lead the Cali cartel, which once controlled 80% of the global cocaine market, according to a report from the US Drug Enforcement Administration.