Trial of 'El Chapo': rare glimpse inside the drug world

The trial of Mexican drug lord Joaquin "El Chapo" Guzman provided a rare and terrifying look into the workings of one of the world's largest cartels. Over the space of nearly three months, a New York jury heard 56 government witnesses deliver dramatic evidence against Guzman. According to the witnesses, the Sinaloa cartel, of which Guzman was a co-leader, flooded the United States with cocaine with the blessing of countless police, military officers and Mexican officials -- going all the way up to the president -- who turned their heads in exchange for bribes worth millions.