NEW : The arrests came amid `` a war of master proportions '' between authorities and narcotics traffickers that has left more than 4,300 dead so far this year , according to the Council on Hemispheric Affairs , an independent research and information organization . FBI sending team to Mexico to check if sensitive info compromised . Carlos Torres Vargas detained under Mexico 's ` ` Operation Cleanup '' . Vargas is head of Interpol operations in Mexico . Previous ` ` Cleanup '' investigations have involved allegations of selling info to drug cartels .
NEW : FBI sending team to Mexico to check if sensitive info compromised . Carlos Torres Vargas detained under Mexico 's ` ` Operation Cleanup '' . Vargas is head of Interpol operations in Mexico . Previous ` ` Cleanup '' investigations have involved allegations of selling info to drug cartels .