January : The Tamaulipas state governor appoints a new head of public security . Martin Antonio Estrada Luna has been appointed , Mexico 's government says . He is a former leader of the largest drug cartel in northeastern Mexico . Security forces have captured Martin Omar Estrada Luna , who is a presumed leader of the Zetas drug cartel in San Fernando , a town in the border state of Tamaulipas , the government said in a statement . Veracruz is one of Mexico 's most active states when it comes to drug trafficking .
January : The Tamaulipas state governor appoints a new head of public security . Martin Antonio Estrada Luna has been appointed , Mexico 's government says . He is a former leader of the largest drug cartel in northeastern Mexico . Veracruz is one of Mexico 's most active states when it comes to drug trafficking .