Los Zetas is a syndicate.
 The cartel also has important areas of operation in Guatemala, where their operations are reported to have begun as early as 2008
 Los Zetas  Following a bilateral law enforcement investigation named 'Operation Black Jack', executed by the ATF, DEA, ICE and the FBI, three Zeta safe houses were identified in Mexico and raided by Mexican federal security forces, releasing more than 40 kidnapped individuals, and making the largest weapons seizure in the history of Mexico; it included 540 rifles including 288 assault rifles and several 

