Mexico took down a US citizen who rose to the upper ranks of the vicious Zetas cartelMexico took down a US citizen who rose to the upper ranks of the vicious Zetas cartelSEE ALSO: Mexican drug cartels are preying on a multibillion-dollar industry and taking a deadly toll on the workers who run itJoin the conversation about this story »NOW WATCH: The wives of El Chapo’s henchmen reveal how they hid and spent $2 billionSource link