Mexican officials claim that Valdez introduced to the US about one ton of cocaine per month .
In June 2010 Valdez was indicted in a US court on charges of trafficking thousands of kilograms of cocaine from Mexico into the US between 2004 - 06 .
Mexico officials claim that Valdez introduced to the US about one ton of cocaine per month .
In June 2010 Valdez was indicted in a US court on charges of trafficking thousands of kilograms of cocaine from Mexico into the US between 2004 - 06 .