Former agent for Colombian drug cartel pleaded guilty in U.S. District Court . ' A former kingpin for a Colombian drug cartel pleaded guilty Tuesday in U.S. District Court to charges of drug trafficking , obstruction of justice by murder and racketeering , federal officials said . Leon ##or ##z had $ 5 million reward on his head before his capture . FBI calls it ` ` most powerful and violent drug trafficking organization in Colombia ''
Former agent for Colombian drug cartel pleaded guilty in U.S. District Court . ' Leon ##or ##z had $ 5 million reward on his head before his capture . FBI calls it ` ` most powerful and violent drug trafficking organization in Colombia ''