NEW : The investigation led them to San Fernando -- the same place where in August of last year , the bodies of 72 migrants were found at a ranch . The Mexican state governor appoints a new head of public security . Jaime Zapata has been captured , Mexico 's government says . He is a presumed leader of the Mexico drug cartel in northeastern Mexico . Tamaulipas is 126 of Zetas 's most active states when it comes to drug trafficking .
NEW : The Mexican state governor appoints a new head of public security . Jaime Zapata has been captured , Mexico 's government says . He is a presumed leader of the Mexico drug cartel in northeastern Mexico . Tamaulipas is 126 of Zetas 's most active states when it comes to drug trafficking .